<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1679-4974</journal-id>
<journal-title><![CDATA[Epidemiologia e Serviços de Saúde]]></journal-title>
<abbrev-journal-title><![CDATA[Epidemiol. Serv. Saúde]]></abbrev-journal-title>
<issn>1679-4974</issn>
<publisher>
<publisher-name><![CDATA[Secretaria de Vigilância em Saúde e Ambiente - Ministério da Saúde do Brasil]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1679-49742005000100005</article-id>
<article-id pub-id-type="doi">10.5123/S1679-49742005000100005</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Análise da estratégia global para alimentação, atividade física e saúde, da Organização Mundial da Saúde]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of the global strategy on diet, physical activity and health of the World Health Organization]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[Sandhi Maria]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinheiro]]></surname>
<given-names><![CDATA[Anelise Rizzolo de Oliveira]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sichieri]]></surname>
<given-names><![CDATA[Rosely]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[Carlos Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Filho]]></surname>
<given-names><![CDATA[Malaquias Batista]]></given-names>
</name>
<xref ref-type="aff" rid="A05"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schimidt]]></surname>
<given-names><![CDATA[Maria Inês]]></given-names>
</name>
<xref ref-type="aff" rid="A06"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lotufo]]></surname>
<given-names><![CDATA[Paulo]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Assis]]></surname>
<given-names><![CDATA[Ana Marlúcia]]></given-names>
</name>
<xref ref-type="aff" rid="A07"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guimarães]]></surname>
<given-names><![CDATA[Valéria]]></given-names>
</name>
<xref ref-type="aff" rid="A08"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Recine]]></surname>
<given-names><![CDATA[Elisabetta Gioconda Iole Giovanna]]></given-names>
</name>
<xref ref-type="aff" rid="A09"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Victora]]></surname>
<given-names><![CDATA[César Gomes]]></given-names>
</name>
<xref ref-type="aff" rid="A10"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Coitinho]]></surname>
<given-names><![CDATA[Denise]]></given-names>
</name>
<xref ref-type="aff" rid="A11"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Passos]]></surname>
<given-names><![CDATA[Valéria Maria de Azeredo]]></given-names>
</name>
<xref ref-type="aff" rid="A12"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Ministério da Saúde Secretaria de Atenção à Saúde Universidade Federal de Minas Gerais, Belo Horizonte- MG]]></institution>
<addr-line><![CDATA[Brasília DF]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Ministério da Saúde Secretaria de Atenção à Saúde ]]></institution>
<addr-line><![CDATA[Brasília DF]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidade Federal do Rio de Janeiro Instituto de Medicina Social ]]></institution>
<addr-line><![CDATA[Rio de Janeiro RJ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Universidade de São Paulo  ]]></institution>
<addr-line><![CDATA[São Paulo SP]]></addr-line>
</aff>
<aff id="A05">
<institution><![CDATA[,Instituto Materno-Infantil de Pernambuco  ]]></institution>
<addr-line><![CDATA[Recife PE]]></addr-line>
</aff>
<aff id="A06">
<institution><![CDATA[,Universidade Federal do Rio Grande do Sul  ]]></institution>
<addr-line><![CDATA[Porto Alegre RS]]></addr-line>
</aff>
<aff id="A07">
<institution><![CDATA[,Universidade Federal da Bahia  ]]></institution>
<addr-line><![CDATA[Salvador BA]]></addr-line>
</aff>
<aff id="A08">
<institution><![CDATA[,Sociedade Brasileira de Endocrinologia e Metabologia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A09">
<institution><![CDATA[,Associação BRANDH  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A10">
<institution><![CDATA[,Universidade Federal de Pelotas  ]]></institution>
<addr-line><![CDATA[Pelotas RS]]></addr-line>
</aff>
<aff id="A11">
<institution><![CDATA[,Universidade de Brasília  ]]></institution>
<addr-line><![CDATA[Brasília DF]]></addr-line>
</aff>
<aff id="A12">
<institution><![CDATA[,Universidade Federal de Minas Gerais  ]]></institution>
<addr-line><![CDATA[Belo Horizonte MG]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2005</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2005</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<fpage>41</fpage>
<lpage>68</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_arttext&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_abstract&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_pdf&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O presente documento analisa a Estratégia Global para Alimentação, Atividade Física e Saúde da Organização Mundial da Saúde (EG/OMS), em resposta à demanda da Portaria nº 596/GM, de 8 de abril de 2004, do Ministério da Saúde. A análise das evidências científicas que apóiam cada recomendação feita pela EG/OMS foi realizada tendo como referência os critérios definidos pelo Grupo de Peritos do Relatório 916 da OMS, o qual determina a classificação das evidências em convincente, provável, possível e insuficiente. Realizou-se reunião com os componentes do grupo responsável por este documento, para analisar as evidências científicas que apóiam a iniciativa da OMS e classificá-las por consenso, segundo os critérios utilizados na sua elaboração. Projeções para as próximas décadas indicam um crescimento epidêmico das doenças não transmissíveis - particularmente das doenças cardiovasculares, neoplasias e diabetes tipo 2 - na maioria dos países em desenvolvimento. A transição nutricional em curso nesses países, com o aumento expressivo da obesidade, é um dos fatores mais importantes para explicar essa tendência. As recomendações da EG/OMS baseiam-se em evidências científicas convincentes e criam oportunidades para promover a saúde e prevenir o crescimento da obesidade e das doenças não transmissíveis no país e no mundo. A EG/OMS é parte de um grande esforço em prol da alimentação, atividade física e Saúde Pública.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The current document analyzes the Global Strategy on Diet, Physical Activity and Health of the World Health Organization (GS/WHO), and is a response to the Brazilian Ministry of Health Directive nº 596/GM, of 8th April 2004. The criteria proposed by the WHO Report 916 were adopted to analyze the scientific evidence supporting each recommendation made by the GS/WHO, which are categorized based on a classification system of: convincing, probable, possible, and insufficient. The technical group analyzed the published evidence supporting GS/WHO recommendations and classified them by consensus, as proposed by WHO Report 916 criteria. Projections for the next decades point to an epidemic of non-transmissible diseases - particularly cardiovascular diseases, cancer and type 2 diabetes - in most developing countries. The dietary transition, due to the observed increases in obesity, is one of the most important reasons for this tendency. Recomendations by GS/WHO are based on convincing scientific evidence and create opportunities for health promotion, and for preventing of obesity and non-communicable diseases in the country and worldwilde. The GS/WHO is part of a greater effort to realize the benefits of diet, physical activity and public health.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[alimentação saudável]]></kwd>
<kwd lng="pt"><![CDATA[obesidade]]></kwd>
<kwd lng="pt"><![CDATA[atividade física]]></kwd>
<kwd lng="pt"><![CDATA[doenças crônicas]]></kwd>
<kwd lng="en"><![CDATA[diet]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[physical activity]]></kwd>
<kwd lng="en"><![CDATA[chronic diseases]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana"><b><a name="topo"></a>RELAT&Oacute;RIO</b></font></p>     <p>&nbsp;</p>     <p><font size="4" face="Verdana"><b>An&aacute;lise da estrat&eacute;gia global    para alimenta&ccedil;&atilde;o, atividade f&iacute;sica e sa&uacute;de, da Organiza&ccedil;&atilde;o    Mundial da Sa&uacute;de<a href="#nota"><sup>*</sup></a></b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Analysis of the global strategy on diet, physical    activity and health of the World Health Organization</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Sandhi Maria Barreto<sup>I</sup>; Anelise    Rizzolo de Oliveira Pinheiro<sup>II</sup>; Rosely Sichieri<sup>III</sup>; Carlos    Augusto Monteiro<sup>IV</sup>; Malaquias Batista Filho<sup>V</sup>; Maria In&ecirc;s    Schimidt<sup>VI</sup>; Paulo Lotufo<sup>IV</sup>; Ana Marl&uacute;cia Assis<sup>VII</sup>;    Val&eacute;ria Guimar&atilde;es<sup>VIII</sup>; Elisabetta Gioconda Iole Giovanna    Recine<sup>IX</sup>; C&eacute;sar Gomes Victora<sup>X</sup>; Denise Coitinho<sup>XI</sup>;    Val&eacute;ria Maria de Azeredo Passos<sup>XII</sup></b></font></p>     <p><font size="2" face="Verdana"><sup>I</sup>Universidade Federal de Minas Gerais,    Belo Horizonte-MG. Secretaria de Aten&ccedil;&atilde;o &agrave; Sa&uacute;de,    Minist&eacute;rio da Sa&uacute;de, Bras&iacute;lia-DF    <br>   <sup>II</sup>Secretaria de Aten&ccedil;&atilde;o &agrave; Sa&uacute;de, Minist&eacute;rio    da Sa&uacute;de, Bras&iacute;lia-DF    ]]></body>
<body><![CDATA[<br>   <sup>III</sup>Instituto de Medicina Social, Universidade Federal do Rio de Janeiro,    Rio de Janeiro-RJ    <br>   <sup>IV</sup>Universidade de S&atilde;o Paulo, S&atilde;o Paulo-SP    <br>   <sup>V</sup>Instituto Materno-Infantil de Pernambuco, Recife-PE    <br>   <sup>VI</sup>Universidade Federal do Rio Grande do Sul, Porto Alegre-RS    <br>   <sup>VII</sup>Universidade Federal da Bahia, Salvador-BA    <br>   <sup>VIII</sup>Sociedade Brasileira de Endocrinologia e Metabologia    <br>   <sup>IX</sup>Associa&ccedil;&atilde;o BRANDH    <br>   <sup>X</sup>Universidade Federal de Pelotas, Pelotas-RS    <br>   <sup>XI</sup>Universidade de Bras&iacute;lia, Bras&iacute;lia-DF    <br>   <sup>XII</sup>Universidade Federal de Minas Gerais, Belo Horizonte-MG</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><a href="#end">Endere&ccedil;o para correspond&ecirc;ncia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b>RESUMO</b></font></p>     <p><font size="2" face="Verdana">O presente documento analisa a Estrat&eacute;gia    Global para Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica e Sa&uacute;de    da Organiza&ccedil;&atilde;o Mundial da Sa&uacute;de (EG/OMS), em resposta &agrave;    demanda da Portaria n<sup>o</sup> 596/GM, de 8 de abril de 2004, do Minist&eacute;rio    da Sa&uacute;de. A an&aacute;lise das evid&ecirc;ncias cient&iacute;ficas que    ap&oacute;iam cada recomenda&ccedil;&atilde;o feita pela EG/OMS foi realizada    tendo como refer&ecirc;ncia os crit&eacute;rios definidos pelo Grupo de Peritos    do Relat&oacute;rio 916 da OMS, o qual determina a classifica&ccedil;&atilde;o    das evid&ecirc;ncias em convincente, prov&aacute;vel, poss&iacute;vel e insuficiente.    Realizou-se reuni&atilde;o com os componentes do grupo respons&aacute;vel por    este documento, para analisar as evid&ecirc;ncias cient&iacute;ficas que ap&oacute;iam    a iniciativa da OMS e classific&aacute;-las por consenso, segundo os crit&eacute;rios    utilizados na sua elabora&ccedil;&atilde;o. Proje&ccedil;&otilde;es para as    pr&oacute;ximas d&eacute;cadas indicam um crescimento epid&ecirc;mico das doen&ccedil;as    n&atilde;o transmiss&iacute;veis &#8211; particularmente das doen&ccedil;as    cardiovasculares, neoplasias e diabetes tipo 2 &#8211; na maioria dos pa&iacute;ses    em desenvolvimento. A transi&ccedil;&atilde;o nutricional em curso nesses pa&iacute;ses,    com o aumento expressivo da obesidade, &eacute; um dos fatores mais importantes    para explicar essa tend&ecirc;ncia. As recomenda&ccedil;&otilde;es da EG/OMS    baseiam-se em evid&ecirc;ncias cient&iacute;ficas convincentes e criam oportunidades    para promover a sa&uacute;de e prevenir o crescimento da obesidade e das doen&ccedil;as    n&atilde;o transmiss&iacute;veis no pa&iacute;s e no mundo. A EG/OMS &eacute;    parte de um grande esfor&ccedil;o em prol da alimenta&ccedil;&atilde;o, atividade    f&iacute;sica e Sa&uacute;de P&uacute;blica.</font></p>     <p><font size="2" face="Verdana"><b>Palavras-chave:</b> alimenta&ccedil;&atilde;o    saud&aacute;vel; obesidade; atividade f&iacute;sica; doen&ccedil;as cr&ocirc;nicas.</font></p> <font size="2" face="Verdana"> <hr size="1" noshade></font>     <p><font size="2" face="Verdana"><b>SUMMARY</b></font></p>     <p><font size="2" face="Verdana">The current document analyzes the Global Strategy    on Diet, Physical Activity and Health of the World Health Organization (GS/WHO),    and is a response to the Brazilian Ministry of Health Directive n<sup>o</sup> 596/GM,    of 8th April 2004. The criteria proposed by the WHO Report 916 were adopted    to analyze the scientific evidence supporting each recommendation made by the    GS/WHO, which are categorized based on a classification system of: convincing,    probable, possible, and insufficient. The technical group analyzed the published    evidence supporting GS/WHO recommendations and classified them by consensus,    as proposed by WHO Report 916 criteria. Projections for the next decades point    to an epidemic of non-transmissible diseases &#8211; particularly cardiovascular    diseases, cancer and type 2 diabetes &#8211; in most developing countries. The    dietary transition, due to the observed increases in obesity, is one of the    most important reasons for this tendency. Recomendations by GS/WHO are based    on convincing scientific evidence and create opportunities for health promotion,    and for preventing of obesity and non-communicable diseases in the country and    worldwilde. The GS/WHO is part of a greater effort to realize the benefits of    diet, physical activity and public health.</font></p></p> <font size="2" face="Verdana"><b>Key-words:</b> diet; obesity; physical activity;  chronic diseases.</font> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>Introdu&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">O presente documento tem por finalidade proceder    &agrave; an&aacute;lise da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o,    Atividade F&iacute;sica e Sa&uacute;de da Organiza&ccedil;&atilde;o Mundial    da Sa&uacute;de<sup>1</sup> (EG/OMS), em resposta &agrave; demanda da Portaria    n<sup>o</sup> 596/GM, de 8 de abril de 2004, do Minist&eacute;rio da Sa&uacute;de.<sup>2</sup>    O documento re&uacute;ne e discute, principalmente, as evid&ecirc;ncias cient&iacute;ficas    relacionadas aos objetivos, metas e recomenda&ccedil;&otilde;es da EG/OMS contidas    no par&aacute;grafo 22, p&aacute;gina 10 da Estrat&eacute;gia, bem como a sua    pertin&ecirc;ncia para o Brasil. Ele &eacute; resultado da contribui&ccedil;&atilde;o    coletiva de especialistas nas &aacute;reas de Epidemiologia, Medicina e Nutri&ccedil;&atilde;o,    designados pela referida Portaria.</font></p>     <p><font size="2" face="Verdana">O in&iacute;cio do trabalho do grupo foi precedido    pela declara&ccedil;&atilde;o de inexist&ecirc;ncia de conflito de interesses    por parte dos autores. Realizou-se reuni&atilde;o com os seus componentes para    analisar as evid&ecirc;ncias cient&iacute;ficas que ap&oacute;iam o documento    da OMS e classific&aacute;-las por consenso, segundo os crit&eacute;rios utilizados    pelo grupo de peritos do relat&oacute;rio original.</font></p>     <p><font size="2" face="Verdana">A an&aacute;lise considerou que a Estrat&eacute;gia    Global &eacute; um instrumento de promo&ccedil;&atilde;o geral da sa&uacute;de    para popula&ccedil;&otilde;es e indiv&iacute;duos, n&atilde;o sendo uma prescri&ccedil;&atilde;o    de tratamento para grupos especiais de risco.</font></p>     <p><font size="2" face="Verdana"><b>An&aacute;lise: crit&eacute;rio para an&aacute;lise    da natureza das evid&ecirc;ncias necess&aacute;rias</b></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise das evid&ecirc;ncias sobre cada    recomenda&ccedil;&atilde;o determinou sua classifica&ccedil;&atilde;o em convincente,    prov&aacute;vel, poss&iacute;vel e insuficiente. Os n&iacute;veis de evid&ecirc;ncia    (NE) foram recomendados pelo Grupo de Peritos da OMS<sup>3</sup> envolvido na    revis&atilde;o da literatura para o Relat&oacute;rio 916, considerando, &quot;<i>em    termos ideais, a defini&ccedil;&atilde;o de um fator de risco ou de prote&ccedil;&atilde;o    deveria ser baseada em evid&ecirc;ncias derivadas de m&uacute;ltiplos ensaios    randomizados das interven&ccedil;&otilde;es sob estudo, em grupos representativos    das popula&ccedil;&otilde;es-alvo da recomenda&ccedil;&atilde;o, mas esse tipo    de evid&ecirc;ncia, muitas vezes, n&atilde;o se encontra dispon&iacute;vel</i>&quot;(<a href="#fig1">Figura    1</a>).</font></p>     <p><a name="fig1"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05f1.gif"></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Os crit&eacute;rios sugeridos pelo grupo de peritos    da OMS s&atilde;o adequados para operacionalizar a qualidade das evid&ecirc;ncias    dispon&iacute;veis. Vale salientar que a epidemiologia nutricional &eacute;    bastante complexa, sendo, muitas vezes, imposs&iacute;vel realizar estudos randomizados,    pelo menos em curto prazo. Um exemplo claro &eacute; o estudo do papel da nutri&ccedil;&atilde;o    intra-uterina e da vida precoce sobre a morbimortalidade na idade adulta, que    requer estudos de longa dura&ccedil;&atilde;o e de dif&iacute;cil implementa&ccedil;&atilde;o.    </font><font size="2" face="Verdana">Portanto, recomenda-se que resultados de    estudos observacionais, particularmente de coortes prospectivas, tamb&eacute;m    sejam valorizados ao estabelecer a for&ccedil;a das evid&ecirc;ncias existentes.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Cen&aacute;rio epidemiol&oacute;gico e oportunidade    de preven&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">O crescimento relativo e absoluto das doen&ccedil;as   cr&ocirc;nicas n&atilde;o transmiss&iacute;veis (DCNT), principalmente   das doen&ccedil;as do aparelho circulat&oacute;rio, neoplasias e   diabetes, expressa as intensas mudan&ccedil;as ocorridas nos   padr&otilde;es de adoecimento globais na segunda metade do   s&eacute;culo XX.<sup>4-6</sup> Segundo dados da OMS, as DCNT foram   respons&aacute;veis por 59% da mortalidade, cerca de 31,7   milh&otilde;es de &oacute;bitos e 43% da carga global de doen&ccedil;as   em 1998.<sup>7</sup> Os pa&iacute;ses em desenvolvimento respondem   por cerca de 78% da carga global de DCNT e 85% da   carga de doen&ccedil;as do aparelho circulat&oacute;rio.</font></p>     <p><font size="2" face="Verdana">No Brasil, as DCNT foram respons&aacute;veis    pela maior   parcela dos &oacute;bitos e das despesas com assist&ecirc;ncia   hospitalar no Sistema &Uacute;nico de Sa&uacute;de (SUS), totalizando   cerca de 69% dos gastos com aten&ccedil;&atilde;o &agrave;   sa&uacute;de em 2002. Desde a d&eacute;cada de 60, as doen&ccedil;as   cardiovasculares (DCV) lideram as causas de &oacute;bito   no pa&iacute;s. Atualmente, elas s&atilde;o a causa b&aacute;sica de morte   de cerca de dois ter&ccedil;os do total de &oacute;bitos com causas   conhecidas no pa&iacute;s.<sup>8</sup></font></p>     <p><font size="2" face="Verdana">As DCNT s&atilde;o de etiologia multifatorial    e compartilham v&aacute;rios fatores de riscos modific&aacute;veis, como o tabagismo,    a inatividade f&iacute;sica, a alimenta&ccedil;&atilde;o inadequada, a obesidade    e a dislipidemia.<sup>9</sup> Estudos epidemiol&oacute;gicos t&ecirc;m mostrado    que as doen&ccedil;as cardiovasculares, por exemplo, seriam uma causa relativamente    rara de morte na aus&ecirc;ncia dos principais fatores de risco.<sup>10</sup>    Stamler e colaboradores<sup>11</sup> mostraram que, aproximadamente, 75% dos casos novos    dessas doen&ccedil;as ocorridos nos pa&iacute;ses desenvolvidos, nas d&eacute;cadas    de 70 e 80, poderiam ser explicados por dieta e atividade f&iacute;sica inadequadas,    expressas por n&iacute;veis lip&iacute;dicos desfavor&aacute;veis, obesidade    e eleva&ccedil;&atilde;o da press&atilde;o arterial associados ao h&aacute;bito    de fumar.</font></p>     <p><font size="2" face="Verdana">Proje&ccedil;&otilde;es para as pr&oacute;ximas    d&eacute;cadas indicam um crescimento epid&ecirc;mico das DCNT na maioria dos    pa&iacute;ses em desenvolvimento, particularmente das doen&ccedil;as cardiovasculares    e diabetes tipo 2. Os principais determinantes desse crescimento s&atilde;o:    a) aumento na intensidade e freq&uuml;&ecirc;ncia da exposi&ccedil;&atilde;o    aos principais fatores de risco para essas doen&ccedil;as;<sup>12</sup> b) mudan&ccedil;a    na pir&acirc;mide demogr&aacute;fica, com n&uacute;mero maior de pessoas alcan&ccedil;ando    as idades onde essas doen&ccedil;as se manifestam com maior freq&uuml;&ecirc;ncia;    e c) aumento da longevidade, com per&iacute;odos mais longos de exposi&ccedil;&atilde;o    aos fatores de risco e maior probabilidade de manifesta&ccedil;&atilde;o cl&iacute;nica    das doen&ccedil;as cardiovasculares. A transi&ccedil;&atilde;o nutricional em    curso na maioria dos pa&iacute;ses em desenvolvimento, junto com o aumento expressivo    da obesidade e mesmo sua coexist&ecirc;ncia com o baixo peso, constitui um dos    fatores mais importantes para explicar o aumento da carga das DCNT nesses pa&iacute;ses.<sup>8</sup></font></p>     <p><font size="2" face="Verdana">O compartilhamento de fatores de risco, somado   &agrave; urg&ecirc;ncia em deter o crescimento das DCNT no pa&iacute;s,   justifica a ado&ccedil;&atilde;o de estrat&eacute;gias integradas e sustent&aacute;veis   de preven&ccedil;&atilde;o e controle dessas doen&ccedil;as assentadas   nos seus principais fatores de risco modific&aacute;veis &#8211; tabagismo,   inatividade f&iacute;sica e alimenta&ccedil;&atilde;o inadequada.   A aprova&ccedil;&atilde;o e a implementa&ccedil;&atilde;o da Conven&ccedil;&atilde;o-Quadro   para controle do tabagismo da OMS representa um   importante avan&ccedil;o no sentido da redu&ccedil;&atilde;o da morbidade   e da mortalidade associadas ao tabagismo,   a m&eacute;dio e longo prazos, no mundo. A aprova&ccedil;&atilde;o e   implementa&ccedil;&atilde;o da EG/OMS complementa e refor&ccedil;a a   decis&atilde;o j&aacute; tomada de preven&ccedil;&atilde;o integrada das DCNT,   ao abordar a preven&ccedil;&atilde;o da alimenta&ccedil;&atilde;o inadequada    e   a inatividade f&iacute;sica.</font></p>     <p><font size="2" face="Verdana">Experi&ecirc;ncias de sucesso de interven&ccedil;&otilde;es    de Sa&uacute;de P&uacute;blica com revers&atilde;o e com mudan&ccedil;as positivas    nas tend&ecirc;ncias de morbimortalidade por doen&ccedil;as cardiovasculares,    em diversos pa&iacute;ses, mostram que alguns aspectos s&atilde;o cruciais para    o desenvolvimento de estrat&eacute;gias efetivas de promo&ccedil;&atilde;o da    sa&uacute;de na popula&ccedil;&atilde;o geral:<sup>13-20</sup></font></p>     <p><font size="2" face="Verdana">- a maioria dos fatores de risco opera durante    o curso de vida dos indiv&iacute;duos, em intensidades vari&aacute;veis;</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">- mudan&ccedil;as positivas no estilo de vida    t&ecirc;m retorno direto sobre a sa&uacute;de, em qualquer est&aacute;gio da    vida ou condi&ccedil;&atilde;o preexistente de sa&uacute;de;</font></p>     <p><font size="2" face="Verdana">- a simples difus&atilde;o de conhecimento &eacute;    um fator insuficiente para mudan&ccedil;as sustent&aacute;veis no estilo de    vida e h&aacute;bitos da popula&ccedil;&atilde;o e dos setores envolvidos com    a presta&ccedil;&atilde;o de servi&ccedil;os em sa&uacute;de, no pa&iacute;s;</font></p>     <p><font size="2" face="Verdana">- o comportamento e o estilo de vida dos indiv&iacute;duos    e grupos sociais s&atilde;o largamente determinados pelo ambiente f&iacute;sico,    socioecon&ocirc;mico e cultural;</font></p>     <p><font size="2" face="Verdana">- medidas de interven&ccedil;&atilde;o comunit&aacute;ria    para mudan&ccedil;as no estilo de vida e ado&ccedil;&atilde;o de padr&otilde;es    mais saud&aacute;veis devem ser sustent&aacute;veis no longo prazo, ademais    de incluir todos os grupos sociais e por idades, especialmente aqueles com menores    possibilidades de escolha em raz&atilde;o da pobreza e da exclus&atilde;o social;    e</font></p>     <p><font size="2" face="Verdana">- interven&ccedil;&otilde;es sustent&aacute;veis    necessitam da parceria dos atores sociais e econ&ocirc;micos, locais e nacionais,    que, direta ou indiretamente, determinam ou condicionam o modo de vida dos indiv&iacute;duos    e grupos segundo o g&ecirc;nero e as diversas idades, ambientes, profiss&otilde;es    e culturas.</font></p>     <p><font size="2" face="Verdana">Concluindo, o momento das transi&ccedil;&otilde;es    epidemiol&oacute;gica, demogr&aacute;fica e nutricional por que passa o pa&iacute;s    pode ser encarado como uma janela aberta &agrave;s oportunidades para desenvolver    estrat&eacute;gias efetivas e sustent&aacute;veis de promo&ccedil;&atilde;o    da sa&uacute;de, da preven&ccedil;&atilde;o e controle integrados dos principais    fatores de risco comuns.</font></p>     <p><font size="2" face="Verdana">A efetividade de pol&iacute;ticas de promo&ccedil;&atilde;o    de vida saud&aacute;vel requer a participa&ccedil;&atilde;o dos diversos setores    e atores sociais respons&aacute;veis e comprometidos com a sa&uacute;de e a    qualidade de vida da popula&ccedil;&atilde;o brasileira.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Transi&ccedil;&atilde;o alimentar e nutricional    no Brasil</b></font></p>     <p><font size="2" face="Verdana">As evid&ecirc;ncias sobre a evolu&ccedil;&atilde;o    da disponibilidade de alimentos no Brasil indicam que a transi&ccedil;&atilde;o    alimentar no pa&iacute;s tem sido, de modo geral, favor&aacute;vel do ponto    de vista dos problemas associados &agrave; subnutri&ccedil;&atilde;o (aumento    na disponibilidade de calorias <i>per capita</i> e aumento da participa&ccedil;&atilde;o    de alimentos de origem animal na alimenta&ccedil;&atilde;o) e desfavor&aacute;vel    no que se refere &agrave; obesidade e &agrave;s demais DCNT (aumento da participa&ccedil;&atilde;o    na ingest&atilde;o de gorduras em geral, gorduras de origem animal e a&ccedil;&uacute;car;    e diminui&ccedil;&atilde;o no consumo de cereais, leguminosas e frutas, verduras    e legumes). Ainda que incompletas, as evid&ecirc;ncias quanto a padr&otilde;es    de atividade f&iacute;sica apontam para um baixo gasto energ&eacute;tico e para    o crescimento do sedentarismo. A evolu&ccedil;&atilde;o do estado nutricional    da popula&ccedil;&atilde;o brasileira, por sua vez, &eacute; indicativa de um    importante aumento do sobrepeso com tend&ecirc;ncia especialmente preocupante    entre as crian&ccedil;as em idade escolar e os adolescentes, bem como nos estratos    de baixa renda.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o alimentar</b></font></p>     <p><font size="2" face="Verdana">As informa&ccedil;&otilde;es e os coment&aacute;rios,    apresentados a seguir, referem-se &agrave; estimativa da disponibilidade de    alimentos para consumo humano no Brasil, no per&iacute;odo 1965-1997. Essas    estimativas s&atilde;o produzidas pelo sistema FAOSTAT &#91;FAO Statistical    Database, da Food and Agriculture Organization (FAO)/Organiza&ccedil;&atilde;o    das Na&ccedil;&otilde;es Unidas (ONU)&#93;, a partir de dados sobre a produ&ccedil;&atilde;o,    exporta&ccedil;&atilde;o e importa&ccedil;&atilde;o de alimentos e descontadas    as estimativas de desperd&iacute;cio e as fra&ccedil;&otilde;es dos alimentos    utilizadas na alimenta&ccedil;&atilde;o animal, na ind&uacute;stria ou como    semente.<sup>21</sup></font></p>     <p><font size="2" face="Verdana">Nota-se, inicialmente, que a disponibilidade    total de alimentos no Brasil vem aumentando nas &uacute;ltimas d&eacute;cadas,    sendo de 2.330 kcal por pessoa/dia em 1965 e de 2.960 kcal por pessoa/dia em    1997. Esse aumento observado ultrapassou o aumento correspondente nos requerimentos    m&eacute;dios di&aacute;rios de energia estimados para a popula&ccedil;&atilde;o    brasileira: 2.096 kcal em 1965 e 2.328 kcal em 1997. As principais modifica&ccedil;&otilde;es    na composi&ccedil;&atilde;o da disponibilidade alimentar foram o aumento na    participa&ccedil;&atilde;o relativa de gorduras (de 15,7% para 24,9% das calorias    totais) e a diminui&ccedil;&atilde;o na participa&ccedil;&atilde;o relativa    de carboidratos (de 73,7% para 64,5% das calorias totais). A participa&ccedil;&atilde;o    de prote&iacute;nas na oferta alimentar manteve-se constante no per&iacute;odo    (em torno de 10% das calorias totais), ainda que venha crescendo, continuamente,    a propor&ccedil;&atilde;o de prote&iacute;na de origem animal no total de prote&iacute;nas    (32% em 1965 e 51% em 1997).<sup>21</sup></font></p>     <p><font size="2" face="Verdana">V&ecirc;-se, desde logo, que n&atilde;o parece    haver problemas com a quantidade m&eacute;dia de alimentos dispon&iacute;vel    para consumo humano no pa&iacute;s. J&aacute; em 1965, a quantidade m&eacute;dia    de alimentos dispon&iacute;vel para cada brasileiro excedia em mais de 10% os    requerimentos m&eacute;dios em energia. Em 1997, essa margem de seguran&ccedil;a    passou a 25%. Observe-se que, embora estejamos lidando com valores m&eacute;dios,    que ignoram a distribui&ccedil;&atilde;o individual real dos alimentos, h&aacute;    limites biol&oacute;gicos estreitos para o consumo de calorias. Assim, o excesso    m&eacute;dio de 25% no total de calorias dispon&iacute;veis para consumo indica    que o pa&iacute;s ocupa uma situa&ccedil;&atilde;o confort&aacute;vel, relativamente,    no que diz respeito &agrave; disponibilidade quantitativa de alimentos. Da mesma    forma, n&atilde;o parece haver problemas com a propor&ccedil;&atilde;o de prote&iacute;nas    na alimenta&ccedil;&atilde;o, que se mant&eacute;m dentro da faixa recomendada    (10-15%); ademais, a propor&ccedil;&atilde;o de prote&iacute;nas de origem animal    (as de maior valor biol&oacute;gico) tem crescido substancialmente, j&aacute;    significando 50% do total das prote&iacute;nas dispon&iacute;veis. A not&aacute;vel    substitui&ccedil;&atilde;o de carboidratos por gorduras na disponibilidade alimentar    brasileira n&atilde;o deve representar problema para as modalidades de subnutri&ccedil;&atilde;o    (ao contr&aacute;rio, pode ser vantajosa, sobretudo no caso da defici&ecirc;ncia    energ&eacute;tica), mas, certamente, &eacute; desvantajosa para a maioria das    DCNT, especialmente se a diminui&ccedil;&atilde;o de carboidratos estiver ocorrendo    por conta de carboidratos complexos. Note-se que a propor&ccedil;&atilde;o de    24,9% de gorduras na disponibilidade de alimentos ainda se encontra dentro da    faixa recomendada para a ingest&atilde;o desse nutriente (15-30%), mas a tend&ecirc;ncia    &eacute;, inequivocamente, de aumento. Infelizmente, a FAO/ONU n&atilde;o fornece    informa&ccedil;&otilde;es sobre a propor&ccedil;&atilde;o de gorduras saturadas    na disponibilidade total de alimentos.</font></p>     <p><font size="2" face="Verdana">A evolu&ccedil;&atilde;o da disponibilidade relativa    de grupos espec&iacute;ficos de alimentos nas &uacute;ltimas tr&ecirc;s d&eacute;cadas    acrescenta informa&ccedil;&otilde;es importantes para situar a oferta de alimentos    no Brasil. As maiores mudan&ccedil;as entre 1965 e 1997 foram: a) redu&ccedil;&atilde;o    na disponibilidade de cereais (de 36% para 31%); b) redu&ccedil;&atilde;o na    disponibilidade de leguminosas (de 12% para 6%); c) aumento na disponibilidade    de a&ccedil;&uacute;car (16% para 19%); d) aumento na disponibilidade de carnes    (de 5% para 11%); e) aumento na disponibilidade de &oacute;leos vegetais (de    4% para 11%); e f) aumento na disponibilidade de leite e ovos (de 6% para 8%).    Repetindo o que hav&iacute;amos visto no caso da evolu&ccedil;&atilde;o da disponibilidade    relativa de gorduras, as modifica&ccedil;&otilde;es na evolu&ccedil;&atilde;o    da disponibilidade dos principais grupos de alimentos podem, em alguns aspectos,    serem consideradas favor&aacute;veis com rela&ccedil;&atilde;o a modalidades    de subnutri&ccedil;&atilde;o (particularmente decorrentes do aumento no consumo    de produtos animais), mas se apresentam totalmente desfavor&aacute;veis com    rela&ccedil;&atilde;o &agrave;s DCNT. Essas modifica&ccedil;&otilde;es permitem    inferir uma queda substancial na disponibilidade relativa de carboidratos complexos,    um aumento igualmente substancial na propor&ccedil;&atilde;o de gorduras totais    (j&aacute; observado anteriormente), al&eacute;m do evidenciado aumento na disponibilidade    de a&ccedil;&uacute;car. Note-se que a disponibilidade relativa alcan&ccedil;ada    por esse alimento (19% das calorias totais) excede em quase 100% os valores    m&aacute;ximos recomendados para o seu consumo (10%).<sup>3</sup></font></p>     <p><font size="2" face="Verdana">Estimativas produzidas por estes autores, a partir   das Pesquisas de Or&ccedil;amento Familiar (POF) realizadas   pela Funda&ccedil;&atilde;o Instituto Brasileiro de Geografia e Estat&iacute;stica   (IBGE) nas &aacute;reas metropolitanas brasileiras, no   in&iacute;cio da d&eacute;cada de 60 e em meados das d&eacute;cadas de   80 e 90, confirmam as caracter&iacute;sticas desfavor&aacute;veis da   evolu&ccedil;&atilde;o do consumo alimentar no que diz respeito &agrave;s   DCNT, indicando tend&ecirc;ncias de redu&ccedil;&atilde;o no consumo   relativo de cereais e de leguminosas e crescimento no   consumo relativo de a&ccedil;&uacute;car, carne, leite e derivados e   gorduras em geral.</font></p>     <p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o em padr&otilde;es    de atividade f&iacute;sica</b></font></p>     <p><font size="2" face="Verdana">Informa&ccedil;&otilde;es de car&aacute;ter nacional    sobre padr&otilde;es de atividade f&iacute;sica no Brasil restringem-se a um    &uacute;nico inqu&eacute;rito realizado pelo IBGE em 1996/97, nas regi&otilde;es    Nordeste e Sudeste &#91;Pesquisa sobre Padr&otilde;es de Vida (PPV)&#93;.<sup>22</sup></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise dos dados colhidos por essa    pesquisa   evidenciou que apenas uma minoria dos indiv&iacute;duos   adultos (13%) pratica atividade f&iacute;sica no lazer com   alguma regularidade (30 minutos di&aacute;rios, pelo menos   uma vez por semana), sendo muito reduzida (3,3%)   a propor&ccedil;&atilde;o daqueles que seguem a recomenda&ccedil;&atilde;o   de acumular, como m&iacute;nimo, 30 minutos di&aacute;rios de   atividades f&iacute;sicas em cinco ou mais dias da semana.   Mostrou-se, tamb&eacute;m, que homens e mulheres apresentam   diferen&ccedil;as quanto &agrave; freq&uuml;&ecirc;ncia e padr&otilde;es de   atividade f&iacute;sica no lazer.<sup>22</sup></font></p>     <p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o nutricional</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Obesidade e demais doen&ccedil;as cr&ocirc;nicas    relacionadas &agrave; nutri&ccedil;&atilde;o &#8211; a quest&atilde;o das DCNT</b></font></p>     <p><font size="2" face="Verdana">Inqu&eacute;ritos antropom&eacute;tricos de abrang&ecirc;ncia    nacional   e regional permitem avaliar, de modo bastante   razo&aacute;vel, a presen&ccedil;a e a tend&ecirc;ncia secular da obesidade   no Brasil. Segundo o inqu&eacute;rito antropom&eacute;trico mais   recente, restrito &agrave;s regi&otilde;es Nordeste e Sudeste (PPV-   1996/97), seriam 10% os adultos obesos no Brasil,<sup>23</sup>   preval&ecirc;ncia bastante distante dos cerca de um ter&ccedil;o   de obesos existentes nos Estados Unidos da Am&eacute;rica   (EUA), mas cerca de 20 a 30% superior &agrave; observada   em v&aacute;rios paises desenvolvidos como a Fran&ccedil;a, a Holanda   e a Su&eacute;cia &#8211; e quatro vezes superior &agrave; preval&ecirc;ncia   da obesidade no Jap&atilde;o.<sup>24</sup> Tend&ecirc;ncias cont&iacute;nuas de   aumento da obesidade v&ecirc;m sendo observadas em todos   os estratos socioecon&ocirc;micos e geogr&aacute;ficos da popula&ccedil;&atilde;o   adulta brasileira, com a exce&ccedil;&atilde;o da popula&ccedil;&atilde;o   feminina adulta de maior renda da Regi&atilde;o Sudeste do   pa&iacute;s, onde, recentemente, parece ter havido decl&iacute;nio   do problema. De fato, as tend&ecirc;ncias de aumento da   obesidade t&ecirc;m-se mostrado mais acentuadas nos estratos   populacionais de menor renda; por outro lado,   observa-se a diminui&ccedil;&atilde;o do excesso de obesidade dos   estratos de maior renda. No caso espec&iacute;fico da popula&ccedil;&atilde;o   adulta feminina da Regi&atilde;o Sudeste, a preval&ecirc;ncia   da obesidade no estrato correspondente aos 25% de   menor renda familiar (14%) j&aacute; &eacute; duas vezes superior   &agrave; preval&ecirc;ncia no estrato dos 25% de maior renda   (7%).<sup>22</sup> Aumentos ainda mais r&aacute;pidos na preval&ecirc;ncia   de indicadores de sobrepeso foram observados na   popula&ccedil;&atilde;o brasileira de crian&ccedil;as entre 6 e 17 anos de   idade, sendo que apenas a popula&ccedil;&atilde;o pr&eacute;-escolar ainda   parece protegida contra a obesidade no pa&iacute;s.<sup>25,26</sup></font></p>     <p><font size="2" face="Verdana"><b>Alimenta&ccedil;&atilde;o no curso de vida</b></font></p>     <p><font size="2" face="Verdana">O enfoque do curso de vida &eacute; essencial    para compreender como interven&ccedil;&otilde;es nutricionais podem contribuir    para a preven&ccedil;&atilde;o de DCNT. Esse enfoque, desenvolvido nas &uacute;ltimas    duas d&eacute;cadas a partir de estudos de coortes em diversos pa&iacute;ses,<sup>27</sup>    inclusive no Brasil,<sup>28</sup> sugere que exposi&ccedil;&otilde;es nutricionais,    ambientais e padr&otilde;es de crescimento durante a vida intra-uterina e nos    primeiros anos de vida podem ter efeitos importantes sobre as condi&ccedil;&otilde;es    de sa&uacute;de do adulto.<sup>29</sup> Por exemplo, o retardo de crescimento    intra-uterino e o ganho de peso excessivo nos primeiros anos de vida t&ecirc;m    sido associados a obesidade,<sup>30-32</sup> hipertens&atilde;o,<sup>33</sup>    s&iacute;ndrome metab&oacute;lica,<sup>34</sup> resist&ecirc;ncia insul&iacute;nica<sup>35</sup>    e morbimortalidade cardiovascular,<sup>36,37</sup> entre outros desfechos desfavor&aacute;veis.    Assim, a nutri&ccedil;&atilde;o adequada de gestantes e lactentes deve fazer    parte integrante das estrat&eacute;gias nutricionais para adultos.</font></p>     <p><font size="2" face="Verdana">Conforme estabelecido por pesquisas em diversos    pa&iacute;ses, inclusive no Brasil, o aleitamento materno exclusivo &eacute;    o modo ideal de alimenta&ccedil;&atilde;o do lactente at&eacute; os seis meses    de vida.<sup>38</sup></font></p>     <p><font size="2" face="Verdana">A continuidade do aleitamento at&eacute; os 24    meses &eacute; igualmente importante. Entre outras vantagens, o aleitamento    materno confere importante prote&ccedil;&atilde;o contra a morbimortalidade    por doen&ccedil;as infecciosas nos primeiros anos de vida,<sup>39</sup> sendo    reconhecido como o fator preventivo mais importante, potencialmente, para a    redu&ccedil;&atilde;o da mortalidade infantil no mundo.<sup>40</sup></font></p>     <p><font size="2" face="Verdana">Uma quest&atilde;o importante diz respeito aos    efeitos de longo prazo do aleitamento materno. Uma recente metan&aacute;lise    mostrou que crian&ccedil;as amamentadas tendem a apresentar menor preval&ecirc;ncia    de obesidade na inf&acirc;ncia e, possivelmente, na adolesc&ecirc;ncia,<sup>41</sup>    embora n&atilde;o esteja claro se esse efeito se prolonga at&eacute; a idade    adulta.<sup>42-47</sup> Diversos estudos avaliaram se o aleitamento materno    tamb&eacute;m estaria associado &agrave; ocorr&ecirc;ncia de outras DCNT na    idade adulta,<sup>48-57</sup> como o diabetes tipo 2 e a hipertens&atilde;o;    ou contra fatores de risco, como os n&iacute;veis de colesterol no soro. Entretanto,    as evid&ecirc;ncias sobre essas poss&iacute;veis associa&ccedil;&otilde;es ainda    n&atilde;o s&atilde;o conclusivas. &Eacute; importante salientar que a pesquisa    sobre o ciclo vital, particularmente em pa&iacute;ses em desenvolvimento, ainda    est&aacute; em sua inf&acirc;ncia, e que a aus&ecirc;ncia de evid&ecirc;ncias    conclusivas n&atilde;o constitui, necessariamente, evid&ecirc;ncia de aus&ecirc;ncia    de efeito.</font></p>     <p><font size="2" face="Verdana">Sendo assim, com base em vastos resultados de    estudos j&aacute; realizados, tanto em pa&iacute;ses em desenvolvimento quanto    nos desenvolvidos, entende-se que a alimenta&ccedil;&atilde;o saud&aacute;vel    come&ccedil;a com o aleitamento materno, exclusivamente oferecido at&eacute;    os 6 meses de idade e complementado a partir da&iacute;, at&eacute; os 2 anos    de idade da crian&ccedil;a, com o objetivo de ampliar a disponibilidade de energia    e de micronutrientes na alimenta&ccedil;&atilde;o, particularmente de ferro.<sup>58,59</sup></font></p>     <p><font size="2" face="Verdana">Crian&ccedil;as n&atilde;o amamentadas tendem    a apresentar crescimento mais r&aacute;pido, a partir dos tr&ecirc;s e quatro    meses de vida, comparadas &agrave;s crian&ccedil;as amamentadas exclusivamente.<sup>60,61</sup>    A partir dos seis meses de vida, crian&ccedil;as amamentadas necessitam receber    alimentos complementares ricos em prote&iacute;nas e micronutrientes. A ingest&atilde;o    de alimentos complementares com alta densidade energ&eacute;tica tem sido recomendada    em pa&iacute;ses em desenvolvimento, para acelerar o ganho de peso de crian&ccedil;as    sob risco de desnutri&ccedil;&atilde;o.<sup>62</sup> Embora a literatura espec&iacute;fica    sobre o tema seja limitada, um ensaio randomizado brasileiro mostrou que o uso    de alimentos complementares com alta densidade energ&eacute;tica resultou em    aumento no ganho de peso em crian&ccedil;as de 12 a 18 meses de idade.<sup>63</sup>    Contudo, &eacute; importante contextualizar essa recomenda&ccedil;&atilde;o.    Por exemplo, &eacute; recomend&aacute;vel a ingest&atilde;o de alimentos complementares    com alta densidade energ&eacute;tica em grupos espec&iacute;ficos de crian&ccedil;as    brasileiras que apresentam alto risco de d&eacute;ficit de peso para a idade    &#8211; por exemplo, crian&ccedil;as residentes em &aacute;reas pobres das regi&otilde;es    Nordeste e Norte. Devido &agrave; r&aacute;pida transi&ccedil;&atilde;o nutricional    que afeta grande parte da popula&ccedil;&atilde;o brasileira e latino-americana,    n&atilde;o &eacute; razo&aacute;vel recomendar, indiscriminadamente, que as    dietas infantis sejam acrescidas de quantidades adicionais de &oacute;leos ou    a&ccedil;&uacute;car. O aumento expressivo na preval&ecirc;ncia da obesidade    infantil, particularmente em &aacute;reas das regi&otilde;es Sul e Sudeste,    sugere que o consumo de tais alimentos deveria ser desencorajado.<sup>23</sup></font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>Recomenda&ccedil;&otilde;es da estrat&eacute;gia    global relativas &agrave; alimenta&ccedil;&atilde;o: considera&ccedil;&otilde;es,    bases cient&iacute;ficas</b></font></p>     <p><font size="2" face="Verdana"><b>Alcan&ccedil;ar balan&ccedil;o energ&eacute;tico    e peso saud&aacute;vel</b></font></p>     <p><font size="2" face="Verdana">O crescimento da incid&ecirc;ncia de DCNT observado    nas &uacute;ltimas d&eacute;cadas relaciona-se, em grande parte, com os h&aacute;bitos    de vida adquiridos nesse per&iacute;odo. Entre eles, destacam-se os comportamentos    que desequilibram o balan&ccedil;o energ&eacute;tico, induzindo ganho excessivo    de peso. Estima-se que, para cada 5% de aumento de peso acima daquele apresentado    aos 20 anos de idade, ocorre um aumento de 200% no risco de desenvolver a s&iacute;ndrome    metab&oacute;lica na meia idade.<sup>64</sup> Esse complexo metab&oacute;lico,    inflamat&oacute;rio e hemodin&acirc;mico, por sua vez, est&aacute; associado    ao desenvolvimento da doen&ccedil;a cardiovascular e de DCNT.<sup>65-67</sup></font></p>     <p><font size="2" face="Verdana">O princ&iacute;pio fundamental para manter um    balan&ccedil;o energ&eacute;tico &eacute; que as mudan&ccedil;as nos dep&oacute;sitos    energ&eacute;ticos se equilibrem com a diferen&ccedil;a entre ingest&atilde;o    energ&eacute;tica e gasto energ&eacute;tico. Se a ingest&atilde;o excede o gasto,    ocorre um desequil&iacute;brio positivo, com deposi&ccedil;&atilde;o energ&eacute;tica    e tend&ecirc;ncia ao ganho de peso; quando a ingest&atilde;o &eacute; inferior    ao gasto, ocorre um desequil&iacute;brio negativo, com deple&ccedil;&atilde;o    dos dep&oacute;sitos energ&eacute;ticos e tend&ecirc;ncia &agrave; perda de    peso. Em circunst&acirc;ncias normais, o balan&ccedil;o energ&eacute;tico oscila    ao longo do dia e de um dia para o outro, sem, contudo, levar a uma mudan&ccedil;a    duradoura do balan&ccedil;o energ&eacute;tico ou do peso corporal. Isso porque    mecanismos fisiol&oacute;gicos m&uacute;ltiplos determinam mudan&ccedil;as coordenadas    entre ingest&atilde;o e gasto energ&eacute;tico, regulando o peso corporal em    torno de um ponto de ajuste que mant&eacute;m o peso est&aacute;vel.</font></p>     <p><font size="2" face="Verdana">A ingest&atilde;o di&aacute;ria &eacute; definida    pelo valor energ&eacute;tico total (VET), expresso em Kj &#91;ou o valor cal&oacute;rico    total (VCT), expresso em kcal&#93;, que compreende a energia di&aacute;ria total    consumida em forma de alimento ou bebida e que pode ser metabolizada pelo corpo.    A gordura produz mais energia por grama de peso (9kcal/g) do que os carboidratos    (4kcal/g), as prote&iacute;nas (4kcal/g) e o &aacute;lcool (7kcal/g). As fibras    contribuem com 1,5kcal/g, energia resultante de &aacute;cidos graxos vol&aacute;teis    produzidos no c&oacute;lon a partir da degrada&ccedil;&atilde;o bacteriana.<sup>24</sup></font></p>     <p><font size="2" face="Verdana">O gasto energ&eacute;tico do indiv&iacute;duo    comp&otilde;e-se da taxa metab&oacute;lica basal, do gasto energ&eacute;tico    para metabolizar e armazenar o alimento, do efeito t&eacute;rmico da atividade    f&iacute;sica e da termog&ecirc;nese adaptativa, que varia em resposta &agrave;    ingest&atilde;o cal&oacute;rica cr&ocirc;nica (aumenta com o aumento da ingest&atilde;o    cal&oacute;rica). O efeito t&eacute;rmico da atividade f&iacute;sica deve ser    abordado sob dois aspectos/componentes, a termog&ecirc;nese de <b>atividades    n&atilde;o ligadas ao exerc&iacute;cio f&iacute;sico</b> e a termog&ecirc;nese    de <b>atividades ligadas ao exerc&iacute;cio</b>.</font></p>     <p><font size="2" face="Verdana">A defini&ccedil;&atilde;o de um peso saud&aacute;vel    ainda &eacute; tema controverso, mas a tend&ecirc;ncia &eacute; defini-lo a    partir da rela&ccedil;&atilde;o entre o &iacute;ndice de massa corporal (IMC),    uma fun&ccedil;&atilde;o do peso pela altura ao quadrado, e desfechos de sa&uacute;de    como mortalidade geral, doen&ccedil;a cardiovascular, etc. A OMS recomenda para    a popula&ccedil;&atilde;o uma mediana de IMC entre 21 e 23kg/m<sup>2</sup>.    Para indiv&iacute;duos, a faixa recomendada &eacute; de 18,5 a 24,9kg/m<sup>2</sup>,    evitando ganhos de peso maiores do que 5kg na vida adulta.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">Dois problemas atuais precisam ser enfrentados    diretamente: o aumento do consumo de alimentos industrializados, normalmente    ricos em gorduras hidrogenadas e carboidratos simples e pobres em carboidratos    complexos; e o decl&iacute;nio do gasto energ&eacute;tico associado ao transporte    motorizado, &agrave; mecaniza&ccedil;&atilde;o do trabalho e a outros aspectos    do desenvolvimento tecnol&oacute;gico. A seguir, s&atilde;o discutidas recomenda&ccedil;&otilde;es    de mudan&ccedil;as de comportamentos ligados a essa problem&aacute;tica, para    preven&ccedil;&atilde;o da obesidade, apresentando as evid&ecirc;ncias que as    ap&oacute;iam.</font></p>     <p><font size="2" face="Verdana"><b>Redu&ccedil;&atilde;o de alimentos    de alta densidade cal&oacute;rica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Alimentos de alta densidade cal&oacute;rica promovem    ganho de peso. Esses alimentos, ricos em gorduras, carboidratos simples ou amido,    s&atilde;o, em geral, altamente processados e pobres em micronutrientes. Em    oposi&ccedil;&atilde;o a eles, est&atilde;o os alimentos de baixa densidade    cal&oacute;rica, ricos em &aacute;gua, como frutas, verduras e legumes. Teoriza-se    que alimentos com densidade energ&eacute;tica muito elevada promoveriam um &quot;superconsumo    passivo&quot; de energia total. Estudos que manipularam, de forma mascarada    (cega), o conte&uacute;do lip&iacute;dico e a densidade energ&eacute;tica de    alimentos ap&oacute;iam essa hip&oacute;tese, mas o mascaramento nesses tipos    de estudos &eacute; limitado e &eacute; poss&iacute;vel que outros efeitos n&atilde;o    fisiol&oacute;gicos tenham influenciado esses resultados.<sup>68</sup> Tem sido    proposto, igualmente, que humanos seriam capazes de reconhecer alimentos de    alta densidade energ&eacute;tica, diminuindo sua ingest&atilde;o para manter    sua homeostase energ&eacute;tica; contudo, a ingest&atilde;o de alimentos de    excepcional densidade energ&eacute;tica, t&iacute;picos oferecidos por servi&ccedil;os    de <i>fast food</i>, burlaria esse controle do apetite, permitindo a ingest&atilde;o    energ&eacute;tica excessiva e o desenvolvimento de obesidade.<sup>69</sup> N&atilde;o    h&aacute; evid&ecirc;ncia de que alimentos ricos em gordura mere&ccedil;am maior    aten&ccedil;&atilde;o na preven&ccedil;&atilde;o da obesidade do que outros    alimentos com alta densidade energ&eacute;tica, como aqueles ricos em amido    ou carboidratos simples.<sup>70,71</sup></font></p>     <p><font size="2" face="Verdana"><b>Aumento regular da atividade f&iacute;sica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">H&aacute; evid&ecirc;ncia convincente de que    a atividade f&iacute;sica regular protege contra o ganho excessivo de peso,    enquanto os h&aacute;bitos sedent&aacute;rios, especialmente as ocupa&ccedil;&otilde;es    e recrea&ccedil;&otilde;es sedent&aacute;rias, promovem-no. Revis&atilde;o sistem&aacute;tica    demonstrou que pessoas que exercem atividade f&iacute;sica regular em quantidades    moderadas a grandes apresentam menor ganho de peso e menor ocorr&ecirc;ncia    de sobrepeso e obesidade.<sup>72</sup> Os resultados de ensaios cl&iacute;nicos    randomizados s&atilde;o conflitantes, provavelmente pela diferen&ccedil;a na    ader&ecirc;ncia ao exerc&iacute;cio de moderada a grande intensidade no longo    prazo. Al&eacute;m disso, a recomenda&ccedil;&atilde;o geral para adultos realizarem    atividades de moderada a grande intensidade por 30 minutos, de prefer&ecirc;ncia    todos os dias, mesmo que eficaz na preven&ccedil;&atilde;o da doen&ccedil;a    cardiovascular, parece ser insuficiente para muitos indiv&iacute;duos prevenirem    ganho de peso.<sup>73</sup> A preven&ccedil;&atilde;o de recobro de peso em    obesos pr&eacute;vios com atividades de intensidade moderada pode requerer 60    a 90 minutos di&aacute;rios (ou menos, quando de grande intensidade).<sup>73</sup>    Mesmo na aus&ecirc;ncia de evid&ecirc;ncias conclusivas, estabeleceu-se que    a transi&ccedil;&atilde;o de sobrepeso a obesidade pode ser prevenida com atividades    de moderada intensidade, de 45 a 60 minutos por dia.</font></p>     <p><font size="2" face="Verdana">Isso ilustra a import&acirc;ncia de manter o    balan&ccedil;o energ&eacute;tico e o peso adequado. Para tanto, desde cedo na    vida, deve-se reduzir os h&aacute;bitos sedent&aacute;rios, incorporando atividades    novas no dia-a-dia e na recrea&ccedil;&atilde;o. Isso requer decis&otilde;es    pol&iacute;ticas sobre o ambiente social e f&iacute;sico que promovam essas    mudan&ccedil;as, sejam elas na infra-estrutura urbana, na escola ou no trabalho.</font></p>     <p><font size="2" face="Verdana"><b>Aumento da ingest&atilde;o de fibras</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">As fibras atuam na regula&ccedil;&atilde;o do    peso corporal, o que pode ser explicado pelos seguintes fatores:<sup>74</sup>    apresentam menor palatabilidade; constituem barreira para a digest&atilde;o    de outros carboidratos; e s&atilde;o fermentadas por bact&eacute;rias no c&oacute;lon,    resultando na libera&ccedil;&atilde;o de &aacute;cidos graxos de cadeia curta    na circula&ccedil;&atilde;o-porta, os quais afetam a homeostase da glicose hep&aacute;tica.</font></p>     <p><font size="2" face="Verdana">S&atilde;o alimentos de baixo valor energ&eacute;tico    que constituem grande parte do volume alimentar. Como as pessoas tendem a consumir    quantidades fixas de alimentos, uma grande quantidade de alimentos de baixo    valor energ&eacute;tico dificulta a ingest&atilde;o energ&eacute;tica excessiva.    Ensaios cl&iacute;nicos randomizados demonstraram que dietas sem restri&ccedil;&atilde;o    cal&oacute;rica e ricas em fibras promovem perda de peso.<sup>75</sup></font></p>     <p><font size="2" face="Verdana">N&atilde;o h&aacute; evid&ecirc;ncias que indiquem    um valor m&iacute;nimo de fibras necess&aacute;rio para a preven&ccedil;&atilde;o    de obesidade. Os valores usualmente recomendados de frutas, gr&atilde;os, verduras    e legumes j&aacute; garantem, provavelmente, uma ingest&atilde;o suficiente    de fibras.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Aumento da ingest&atilde;o de frutas e vegetais</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O aumento na ingest&atilde;o de frutas e vegetais    reduz a densidade energ&eacute;tica e aumenta a quantidade de alimento que pode    ser consumida para um determinado n&iacute;vel de calorias. A redu&ccedil;&atilde;o    da densidade energ&eacute;tica aumenta a saciedade, um efeito que se manifesta    ap&oacute;s o t&eacute;rmino da refei&ccedil;&atilde;o, e a sacia&ccedil;&atilde;o,    um efeito sobre a finaliza&ccedil;&atilde;o da refei&ccedil;&atilde;o.<sup>76</sup>    Esses efeitos podem ajudar no balan&ccedil;o energ&eacute;tico e no controle    do peso, mas os pap&eacute;is desempenhados pela densidade energ&eacute;tica    e pelas quantidades de &aacute;gua, fibra, carboidrato e gordura de refei&ccedil;&otilde;es    constitu&iacute;das de frutas e vegetais precisam ser melhor avaliados por estudos    sistematizados com uma gama de frutas e vegetais, em diferentes quantidades    e formas de preparo. Outro aspecto ben&eacute;fico, potencialmente, no aumento    da ingest&atilde;o de frutas e vegetais &eacute; que sua prescri&ccedil;&atilde;o    <i>ad libitum</i> pode amenizar a sensa&ccedil;&atilde;o de fome, t&iacute;pica    de dietas de emagrecimento e de manuten&ccedil;&atilde;o de peso perdido. Al&eacute;m    disso, a escolha de frutas e vegetais pela sua resposta glic&ecirc;mica, isto    &eacute;, o aumento glic&ecirc;mico em duas horas provocado por um alimento    que contenha 50g de carboidrato, tamb&eacute;m pode afetar a saciedade e a ingest&atilde;o    alimentar. De acordo com essa hip&oacute;tese, alimentos com baixo &iacute;ndice    glic&ecirc;mico aumentariam a saciedade, mas esse efeito ainda n&atilde;o est&aacute;    comprovado de forma convincente. O &iacute;ndice glic&ecirc;mico &eacute; alto,    por exemplo, para batata, mandioca e banana, e baixo para ma&ccedil;&atilde;,    cenoura e feij&atilde;o.</font></p>     <p><font size="2" face="Verdana"><b>Redu&ccedil;&atilde;o de bebidas a&ccedil;ucaradas</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O consumo freq&uuml;ente de refrigerantes tem    sido associado ao ganho de peso.<sup>77</sup> Uma explica&ccedil;&atilde;o para    isso &eacute; que os efeitos fisiol&oacute;gicos da ingest&atilde;o de energia    sobre a saciedade s&atilde;o diferentes para l&iacute;quidos e para alimentos    s&oacute;lidos. Dessa forma, o carboidrato, quando ingerido em l&iacute;quidos,    promoveria um balan&ccedil;o energ&eacute;tico positivo maior.<sup>77,78</sup> Ensaio cl&iacute;nico    randomizado em escolares mostrou que um programa educativo para redu&ccedil;&atilde;o    do consumo de refrigerantes, ainda que alcan&ccedil;ando uma modesta redu&ccedil;&atilde;o    de consumo em doze meses, mostrou uma diferen&ccedil;a m&eacute;dia de 8% na    freq&uuml;&ecirc;ncia de sobrepeso entre os grupos experimental e de controle.<sup>79</sup></font></p>     <p><font size="2" face="Verdana"><b>Ambientes domiciliares e escolares que promovam    atividade f&iacute;sica e alimenta&ccedil;&atilde;o saud&aacute;vel</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">Estudos preliminares, experimentais e observacionais,    sugerem que adolescentes obesos tendem a ingerir maiores quantidades de <i>fast    food</i> e a n&atilde;o compensar esse excesso energ&eacute;tico, comparados    aos seus pares n&atilde;o obesos.<sup>80</sup> Comportamentos que promovem balan&ccedil;o    energ&eacute;tico positivo andam juntos: por exemplo, escolares que assistem    mais televis&atilde;o tamb&eacute;m ingerem maior quantidade de refrigerantes    e s&atilde;o mais obesos.<sup>81</sup></font></p>     <p><font size="2" face="Verdana">O potencial educativo de pap&eacute;is-modelo    em casa na escola, no desenvolvimento dos h&aacute;bitos de vida crian&ccedil;as    e adolescentes, &eacute; inquestion&aacute;vel, mas ainda s&atilde;o poucas    as evid&ecirc;ncias que ap&oacute;iam esse ponto de vista.<sup>68</sup> Revis&atilde;o    sistem&aacute;tica apontou falhas metodol&oacute;gicas de v&aacute;rios estudos    de interven&ccedil;&atilde;o, ressaltando a import&acirc;ncia estudos bem desenhados    sobre esse t&oacute;pico, muitos dos quais j&aacute; est&atilde;o em desenvolvimento.    Sugere, ainda, que investimento na redu&ccedil;&atilde;o de comportamentos sedent&aacute;rios    pode ser bastante produtivo.<sup>82</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Restri&ccedil;&atilde;o de alimentos com alto    &iacute;ndice glic&ecirc;mico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O &iacute;ndice glic&ecirc;mico &eacute; uma    forma de classificar   alimentos de acordo com a resposta glic&ecirc;mica que   produzem. Alimentos de alto &iacute;ndice glic&ecirc;mico s&atilde;o digeridos   e absorvidos rapidamente, com maior efeito   na glicemia. Esse &iacute;ndice depende de in&uacute;meros fatores,   como o tipo de carboidrato presente, a presen&ccedil;a ou   n&atilde;o de lip&iacute;dios, prote&iacute;nas e fibras e o modo de preparo.   Certos tipos de amido, como os presentes na batata, no   p&atilde;o branco e em cereais matinais &#8211; flocos de milho,   por exemplo &#8211;, geram altera&ccedil;&otilde;es glic&ecirc;micas maiores   e mais r&aacute;pidas do que at&eacute; mesmo o a&ccedil;&uacute;car.</font></p>     <p><font size="2" face="Verdana">Alimentos com alto &iacute;ndice glic&ecirc;mico    t&ecirc;m sido apontados   como poss&iacute;vel co-fator da obesidade. Estudos   preliminares sugerem que esses alimentos provocam   mais fome ap&oacute;s as refei&ccedil;&otilde;es.<sup>83</sup> A hip&oacute;tese &eacute;    de que   n&iacute;veis diferentes de glicemia provocariam diferentes   respostas hormonais na regula&ccedil;&atilde;o do apetite.</font></p>     <p><font size="2" face="Verdana"><b>Outros h&aacute;bitos alimentares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">H&aacute; evid&ecirc;ncias de que o aumento no    tamanho das por&ccedil;&otilde;es alimentares est&aacute; relacionado ao ganho    de peso, postulando-se que o organismo seria incapaz de estimar, corretamente,    o tamanho da por&ccedil;&atilde;o ingerida, o que dificultaria a compensa&ccedil;&atilde;o    energ&eacute;tica. Estudos que manipularam o tamanho da por&ccedil;&atilde;o    alimentar ap&oacute;iam essa assertiva: o aumento do prato principal (macarr&atilde;o)    de uma refei&ccedil;&atilde;o servida em restaurante, sem aumento do pre&ccedil;o,    aumentou a quantidade ingerida;<sup>83</sup> o mesmo aconteceu com o aumento da merenda    e de um sandu&iacute;che.<sup>84,85</sup></font></p>     <p><font size="2" face="Verdana">O h&aacute;bito de fazer refei&ccedil;&otilde;es    fora de casa tamb&eacute;m   contribui para o aumento da ingest&atilde;o energ&eacute;tica.   Tradicionalmente, essas refei&ccedil;&otilde;es s&atilde;o maiores, com   maior densidade cal&oacute;rica e maior conte&uacute;do de gordura   total, gordura saturada, colesterol e s&oacute;dio. Nos EUA,   indiv&iacute;duos que costumam comer em restaurantes t&ecirc;m   maior IMC do que aqueles que comem em casa.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">Outros fatores tamb&eacute;m t&ecirc;m sido associados    ao ganho de peso, mas as evid&ecirc;ncias para eles s&atilde;o ainda muito esparsas    ou conflitantes. Por exemplo, de acordo com a maior parte dos estudos, o &aacute;lcool    n&atilde;o tem rela&ccedil;&atilde;o com o ganho de peso, apesar da sua alta    densidade cal&oacute;rica (7 kcal/g); mesmo quando presente, essa associa&ccedil;&atilde;o    pode apresentar muitos confundidores. Omitir refei&ccedil;&otilde;es tem sido    apontado como fator de risco para obesidade, uma vez que certos estudos mostram    que a freq&uuml;&ecirc;ncia das refei&ccedil;&otilde;es est&aacute; relacionada,    inversamente, ao ganho de peso. Entretanto, simplesmente aumentar a freq&uuml;&ecirc;ncia    das refei&ccedil;&otilde;es n&atilde;o &eacute; suficiente, porque os indiv&iacute;duos    podem introduzir lanches com alta densidade cal&oacute;rica (por exemplo, bolachas    e salgadinhos).<sup>68</sup></font></p>     <p><font size="2" face="Verdana"><b>Limitar consumo total de gorduras e redirecionar    o consumo de gorduras n&atilde;o saturadas, eliminar o consumo de gorduras hidrogenadas    (gorduras<i> trans</i>)</b></font></p>     ]]></body>
<body><![CDATA[<p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A sugest&atilde;o das propor&ccedil;&otilde;es    adequadas de macro e micronutrientes na alimenta&ccedil;&atilde;o de uma pessoa    saud&aacute;vel tem-se baseado nas recomenda&ccedil;&otilde;es redigidas pelo    Conselho Nacional de Pesquisa dos EUA &#91;Recommended Dietary Allowances (RDA)&#93;,<sup>86</sup>    sendo a sua primeira edi&ccedil;&atilde;o de 1949 e a 10<sup>a</sup> edi&ccedil;&atilde;o    de 1989. As RDA refletem o melhor julgamento cient&iacute;fico quanto &agrave;s    necessidades nutricionais para a manuten&ccedil;&atilde;o da sa&uacute;de da    popula&ccedil;&atilde;o e sugerem que o conte&uacute;do de gordura na alimenta&ccedil;&atilde;o    das pessoas saud&aacute;veis n&atilde;o exceda 30% da ingest&atilde;o cal&oacute;rica,    que menos de 10% das calorias sejam provenientes de &aacute;cidos graxos saturados    e que a quantidade de colesterol na alimenta&ccedil;&atilde;o seja menor que    300mg/dia.</font></p>     <p><font size="2" face="Verdana">Dados da FAOSTAT<sup>87</sup> mostram que o consumo    de gordura na alimenta&ccedil;&atilde;o tem aumentado substancialmente, ao longo    dos &uacute;ltimos 40 anos, em &acirc;mbito mundial. Esses mesmos dados mostram,    tamb&eacute;m, que o percentual de energia da alimenta&ccedil;&atilde;o proveniente    de gorduras tem excedido 30% nas regi&otilde;es mais industrializadas, principalmente    em pa&iacute;ses da Am&eacute;rica do Norte e Europa Ocidental.</font></p>     <p><font size="2" face="Verdana">Resultados de estudos epidemiol&oacute;gicos    s&atilde;o inconsistentes quanto &agrave; rela&ccedil;&atilde;o causal entre    percentual de gorduras na dieta, sobrepeso/obesidade e morbimortalidade cardiovascular.    Ensaios cl&iacute;nicos prospectivos e controlados poderiam dar subs&iacute;dios    mais concretos para essa quest&atilde;o, mas s&atilde;o dif&iacute;ceis de serem    realizados porque necessitam uma amostragem muito grande, um longo per&iacute;odo    de acompanhamento (anos) e controle rigoroso de todas as vari&aacute;veis que    possam interferir no peso dos indiv&iacute;duos.</font></p>     <p><font size="2" face="Verdana">Do ponto de vista de macronutrientes (carboidratos,    prote&iacute;nas e lip&iacute;dios), n&atilde;o h&aacute; evid&ecirc;ncias que    confirmem que a energia proveniente das gorduras seja mais obesog&ecirc;nica    do que a proveniente de carboidratos ou prote&iacute;nas. Entretanto, a partir    dos estudos controlados randomizados, tem-se considerado convincente o fato    de uma maior ingest&atilde;o de alimentos de alta densidade energ&eacute;tica    promover ganho de peso inadequado.</font></p>     <p><font size="2" face="Verdana">Metan&aacute;lises de ensaios de interven&ccedil;&atilde;o,    assim como revis&otilde;es sistem&aacute;ticas, t&ecirc;m mostrado a efic&aacute;cia    de dietas mais pobres em gorduras na perda de peso de pessoas com sobrepeso    ou obesas, assim como na manuten&ccedil;&atilde;o de peso de pessoas eutr&oacute;ficas.    Estudos bem-conduzidos sugerem que uma dieta pobre em gordura, rica em prote&iacute;nas    e carboidratos e com alto conte&uacute;do de fibras (de diferentes vegetais,    frutas e gr&atilde;os) promove mais saciedade, com menor taxa cal&oacute;rica,    que alimentos gordurosos,<sup>88</sup> produzindo, ainda, benef&iacute;cios    para a lipemia e n&iacute;veis press&oacute;ricos. Essa metan&aacute;lise<sup>88</sup>    indica que uma redu&ccedil;&atilde;o na gordura da dieta, sem restri&ccedil;&atilde;o    do total de energia, previne ganho de peso em indiv&iacute;duos eutr&oacute;ficos    e gera perda de peso naqueles com sobrepeso e nos obesos.</font></p>     <p><font size="2" face="Verdana">Uma revis&atilde;o sistem&aacute;tica de 27 estudos    (30.902 indiv&iacute;duos)<sup>89</sup> mostrou que ensaios com pelo menos dois anos de    dura&ccedil;&atilde;o prov&ecirc;em fortes evid&ecirc;ncias de que a redu&ccedil;&atilde;o    ou altera&ccedil;&otilde;es na propor&ccedil;&atilde;o de energia da dieta proveniente    das gorduras protege contra eventos cardiovasculares.</font></p>     <p><font size="2" face="Verdana">Sabe-se que a quantidade e a natureza da gordura    da dieta interferem nos n&iacute;veis de colesterol plasm&aacute;tico; e que    altas taxas de colesterol no sangue est&atilde;o fortemente relacionadas &agrave;    doen&ccedil;a vascular arterioscler&oacute;tica, principalmente &agrave; doen&ccedil;a    coronariana. V&aacute;rias evid&ecirc;ncias (como estudos cl&iacute;nicos, nutricionais    e com drogas) mostraram que o colesterol presente nas lipoprote&iacute;nas de    baixa densidade (LDL) &eacute; o principal componente nocivo, enquanto que altos    n&iacute;veis da lipoprote&iacute;na de alta densidade (HDL) est&atilde;o associados    a menores riscos de desenvolvimento de doen&ccedil;a coronariana.</font></p>     <p><font size="2" face="Verdana">Os is&ocirc;meros <i>trans</i> dos &aacute;cidos    graxos (gorduras <i>trans</i>), formados pela hidrogena&ccedil;&atilde;o parcial    das gorduras vegetais, encontrados na margarina, biscoitos, bolos e p&atilde;o    branco, aumentam a rela&ccedil;&atilde;o LDL/HDL plasm&aacute;tica, influenciando    adversamente como fator de risco para doen&ccedil;a coronariana.<sup>90</sup>    Ensaios cl&iacute;nicos prospectivos sugerem que dietas com alta densidade de    gordura saturada, gordura <i>trans</i> e colesterol est&atilde;o associadas    a um risco aumentado de desenvolver doen&ccedil;a coronariana.<sup>90-92</sup>    Outro ponto interessante deste &uacute;ltimo estudo foi a constata&ccedil;&atilde;o,    naquela popula&ccedil;&atilde;o, de que, quanto mais rica uma dieta &eacute;    em gorduras, menor o conte&uacute;do de fibras ingerido no dia-a-dia da pessoa.    Seus autores sugerem que esse fato possa estar associado a uma maior predisposi&ccedil;&atilde;o    &agrave;s doen&ccedil;as coronarianas. O mesmo trabalho mostra que os benef&iacute;cios    da redu&ccedil;&atilde;o da ingest&atilde;o de &aacute;cidos graxos saturados    e colesterol s&atilde;o maiores se acompanhados de aumento na ingest&atilde;o    de alimentos ricos em fibras; e que dietas ricas em &aacute;cido linol&ecirc;nico    (3-N-&aacute;cido graxo de origem vegetal) est&atilde;o associadas a um risco    reduzido de doen&ccedil;a coronariana, independentemente dos outros fatores    de risco.</font></p>     <p><font size="2" face="Verdana">Uma metan&aacute;lise de estudos cl&iacute;nicos    e epidemio-l&oacute;gicos mostrou que o &ocirc;mega-3 pode reduzir o risco de    morte associada &agrave; doen&ccedil;a cardiovascular em 29 a 52%; e o de morte    s&uacute;bita, em 45 a 81%. N&atilde;o se conhece, entretanto, a melhor dose    de ingest&atilde;o de &ocirc;mega-3 para evitar o aparecimento de doen&ccedil;a    coronariana.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Aumentar o consumo de frutas, vegetais e cereais    integrais</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A OMS recomenda consumo m&iacute;nimo di&aacute;rio    de 400g de frutas e vegetais, com aumento do consumo de alimentos ricos em fibras    e de nozes e assemelhados. Em princ&iacute;pio, n&atilde;o h&aacute; limite    superior para o grupo. N&atilde;o h&aacute; recomenda&ccedil;&otilde;es espec&iacute;ficas    para o consumo de frutas, verduras e legumes, cereais integrais e nozes ou assemelhados    na inf&acirc;ncia.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">A base principal para recomendar o aumento do    consumo de frutas, verduras (folhosos como alface, couve, espinafre), legumes    (tomate, ab&oacute;bora, feij&atilde;o), cereais integrais (trigo, aveia) e    nozes ou assemelhados (nozes, castanhas, amendoim) est&aacute; na possibilidade    de esses alimentos substitu&iacute;rem outros de alto valor energ&eacute;tico    e baixo valor nutritivo, como cereais e gr&atilde;os processados e a&ccedil;&uacute;car    refinado, b&aacute;sicos na prepara&ccedil;&atilde;o de alimentos industrializados    e <i>fast foods</i>. Al&eacute;m de sua poss&iacute;vel contribui&ccedil;&atilde;o    no balan&ccedil;o energ&eacute;tico, eles podem introduzir nutrientes (<a href="#tab1">Tabela    1</a>),<sup>93</sup> com efeitos significativos na sa&uacute;de geral dos indiv&iacute;duos    e, mais especificamente, na preven&ccedil;&atilde;o de DCNT como obesidade,    diabetes tipo 2, doen&ccedil;as cardiovasculares e certos tipos de c&acirc;ncer,    conforme ser&aacute; discutido a seguir.</font></p>     <p><a name="tab1"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t1.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da obesidade</b></font></p>     <p><font size="2" face="Verdana">A obesidade, na inf&acirc;ncia e na idade adulta,    associa-se a uma incid&ecirc;ncia maior de doen&ccedil;a coronariana, diabetes    tipo 2 e c&acirc;ncer.<sup>68</sup> H&aacute;bitos alimentares saud&aacute;veis,    como a maior ingest&atilde;o de frutas e vegetais, t&ecirc;m sido apontados    como protetores no desenvolvimento da obesidade. Esse efeito deve-se &agrave;    menor densidade energ&eacute;tica desses alimentos, com aumento da saciedade    e da sacia&ccedil;&atilde;o. Outro poss&iacute;vel mecanismo consiste no conte&uacute;do    maior de fibra, que tamb&eacute;m aumenta a saciedade. N&atilde;o h&aacute;    evid&ecirc;ncias que indiquem um valor m&iacute;nimo de fibras necess&aacute;rio    para a preven&ccedil;&atilde;o da obesidade. Entretanto, os valores usualmente    recomendados de frutas, gr&atilde;os, verduras e legumes, provavelmente, j&aacute;    garantem uma ingest&atilde;o de fibras suficiente <b>&#91;NE: convincente&#93;</b>.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">O aumento do consumo de nozes ou assemelhados    deve ser feito com cautela, pelo seu alto conte&uacute;do de gordura e tend&ecirc;ncia    ao consumo com adi&ccedil;&atilde;o de sal. Estudos recentes sugerem que o uso    continuado, de forma moderada, n&atilde;o parece aumentar o peso corporal <b>&#91;NE:    poss&iacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do diabetes tipo    2</b></font></p>     <p><font size="2" face="Verdana">A preven&ccedil;&atilde;o do diabetes tipo 2    e suas complica&ccedil;&otilde;es mediante o consumo de frutas e vegetais d&aacute;-se    n&atilde;o somente pelo controle da obesidade, mas tamb&eacute;m pelo efeito    de fitonutrientes contidos nesses alimentos. V&aacute;rios estudos de coorte    de grande porte demonstraram prote&ccedil;&atilde;o contra o diabetes conferida    pelo consumo de alimentos de base vegetal n&atilde;o processados &#8211; como    cereais integrais &#8211; e pela maior ingest&atilde;o de fibras. A OMS recomenda    pelo menos 20g por dia de polissacar&iacute;deos n&atilde;o amil&aacute;ceos,    o que pode ser alcan&ccedil;ado pelo consumo regular de cereais integrais, verduras,    legumes e frutas. Recomenda&ccedil;&otilde;es semelhantes foram encontradas    nos ensaios cl&iacute;nicos sobre dieta e redu&ccedil;&atilde;o da incid&ecirc;ncia    de diabetes tipo 2 <b>&#91;NE: prov&aacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana">A ingest&atilde;o de nozes associou-se a menor    risco de diabetes, independentemente de seu conte&uacute;do de &aacute;cidos    graxos insaturados<sup>94</sup><b>&#91;NE: poss&iacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o das doen&ccedil;as    cardiovasculares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A OMS recomenda um consumo m&iacute;nimo di&aacute;rio    de 400g de frutas, verduras e legumes frescos. Geralmente, nessas quantidades,    &eacute; poss&iacute;vel alcan&ccedil;ar um grau de prote&ccedil;&atilde;o cardiovascular,    conforme ser&aacute; discutido a seguir. Ensaios cl&iacute;nicos randomizados    demonstram que dietas tradicionais cardioprotetoras, baseadas em alimentos vegetais    pouco processados &#8211; p&atilde;o integral, verduras, legumes, frutas, nozes    ou assemelhados e &oacute;leos ricos em &aacute;cidos graxos poli e monoinsaturados,    incluindo o &aacute;cido alfa linol&ecirc;nico &#8211;, conferem prote&ccedil;&atilde;o    contra eventos isqu&ecirc;micos card&iacute;acos em indiv&iacute;duos de alto    risco.<sup>95,96</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel/poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O sobrepeso e a obesidade t&ecirc;m sido associados    a certos tipos de c&acirc;ncer, especialmente de c&oacute;lon, de mama em mulheres    p&oacute;s-menopausa, do endom&eacute;trio e do es&ocirc;fago. Depois do tabaco,    modifica&ccedil;&otilde;es na dieta s&atilde;o a segunda maneira mais eficiente    de prevenir o c&acirc;ncer. Segundo o World Cancer Research Found e The American    Institute of Cancer Research, dos EUA, dietas contendo quantidade substancial    e variada de vegetais e frutas podem prevenir at&eacute; 20% dos casos de c&acirc;ncer.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">O mecanismo preciso pelo qual dietas ou subst&acirc;ncias,    particularmente, s&atilde;o capazes de prevenir o c&acirc;ncer ainda n&atilde;o    foi elucidado completamente. Muitas das recomenda&ccedil;&otilde;es diet&eacute;ticas    nesse sentido s&atilde;o embasadas em estudos observacionais.</font></p>     <p><font size="2" face="Verdana">Estudos prospectivos encontraram uma rela&ccedil;&atilde;o    inversa entre consumo de fibras e c&acirc;ncer de c&oacute;lon, n&atilde;o encontrando    diferen&ccedil;as quanto ao tipo de fibra ingerido,<sup>97</sup> mas o mecanismo    pelo qual isso ocorre ainda &eacute; desconhecido. Frutas e vegetais tamb&eacute;m    t&ecirc;m sido apontados como fatores protetores em v&aacute;rios outros tipos    de c&acirc;ncer, como de bexiga, de pulm&atilde;o, de boca, de laringe, de faringe,    de es&ocirc;fago e est&ocirc;mago e de mama. Geralmente, esses estudos apontam    para um menor risco de c&acirc;ncer, mas os dados s&atilde;o conflitantes quanto    ao tipo de c&acirc;ncer e ao tipo de planta (fruta ou vegetal) indicado. Menor    risco de c&acirc;ncer de mama est&aacute; associado com maior consumo de verduras    e legumes.<sup>98</sup></font></p>     <p><font size="2" face="Verdana">Sendo o c&acirc;ncer uma doen&ccedil;a de desenvolvimento    prolongado e estando intimamente relacionada a uma alimenta&ccedil;&atilde;o    inadequada, estabelecer h&aacute;bitos alimentares saud&aacute;veis na inf&acirc;ncia    &eacute; de suma import&acirc;ncia para o desenvolvimento de uma vida adulta    livre da doen&ccedil;a.</font></p>     <p><font size="2" face="Verdana"><b>Limitar o consumo de a&ccedil;&uacute;cares    livres</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A recomenda&ccedil;&atilde;o de limitar o consumo    de a&ccedil;&uacute;cares livres tem, por princ&iacute;pio, o reconhecimento    de que existem intera&ccedil;&otilde;es complexas entre escolhas pessoais, normas    sociais e fatores ambientais e econ&ocirc;micos que determinam o padr&atilde;o    alimentar. Em considera&ccedil;&atilde;o &agrave; import&acirc;ncia de capacitar    os indiv&iacute;duos para fazerem escolhas saud&aacute;veis quanto &agrave;    sua alimenta&ccedil;&atilde;o e padr&otilde;es de atividade f&iacute;sica, dando    &ecirc;nfase na educa&ccedil;&atilde;o de crian&ccedil;as e jovens, a Estrat&eacute;gia    Global prev&ecirc; a&ccedil;&otilde;es de car&aacute;ter regulat&oacute;rio,    fiscal e legislativo sobre o ambiente que visam tornar fact&iacute;veis essas    escolhas saud&aacute;veis.</font></p>     <p><font size="2" face="Verdana">O grupo de <i>experts</i> da OMS considerou que    o consumo de a&ccedil;&uacute;cares livres, dentro do limite recomendado, pode    contribuir para o controle de peso e preven&ccedil;&atilde;o das DCNT, pelos    seguintes mecanismos:</font></p>     <p><font size="2" face="Verdana">- os a&ccedil;&uacute;cares livres contribuem    para o aumento da densidade energ&eacute;tica da dieta e o controle de seu consumo    &eacute; importante para a balan&ccedil;o energ&eacute;tico total;</font></p>     <p><font size="2" face="Verdana">- as bebidas ricas em a&ccedil;&uacute;cares    livres, principalmente os xaropes de milho ricos em frutose, promovem o aumento    de ingest&atilde;o energ&eacute;tica, aportam uma grande quantidade de calorias,    mas n&atilde;o levam &agrave; redu&ccedil;&atilde;o do consumo de alimentos    s&oacute;lidos em quantidade semelhante ao que aportam; dessa forma, promovem    um balan&ccedil;o positivo de energia na dieta e tamb&eacute;m parecem reduzir    o controle do apetite; e</font></p>     <p><font size="2" face="Verdana">- a limita&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares    livres para, no m&aacute;ximo, 10% das calorias totais da dieta, contribui para    a melhor sa&uacute;de bucal e preven&ccedil;&atilde;o da c&aacute;rie dent&aacute;ria.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">A melhor combina&ccedil;&atilde;o dessas sugest&otilde;es    s&oacute; pode ser definida pelo pr&oacute;prio pa&iacute;s, decidido a adotar    a Estrat&eacute;gia de acordo com v&aacute;rias circunst&acirc;ncias locais.    Recomendar a redu&ccedil;&atilde;o do consumo dos carboidratos totais (todos    os a&ccedil;&uacute;cares) talvez n&atilde;o seja apropriado para o Brasil.    Entretanto, recomendar a limita&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares    livres &eacute; uma medida de Sa&uacute;de P&uacute;blica importante e adequada    para os brasileiros. A quest&atilde;o principal &eacute; como faz&ecirc;-lo,    a partir da redu&ccedil;&atilde;o de qual alimento e com que mensagens.</font></p>     <p><font size="2" face="Verdana">A <a href="#tab2">Tabela 2</a> mostra que, segundo    os dados da Pesquisa sobre Padr&otilde;es de Vida (PPV), o consumo de carboidratos    e tamb&eacute;m do a&ccedil;&uacute;car (sacarose) &eacute; elevado em todas    as regi&otilde;es do pa&iacute;s estudadas. Da tabela, considere-se, ainda,    que o consumo de alimentos que cont&ecirc;m &iacute;ndices glic&ecirc;micos    altos, como p&atilde;o, bolos e biscoitos, &eacute; maior nas &aacute;reas com    menor consumo de a&ccedil;&uacute;car (sacarose); e que dietas com alto &iacute;ndice    glic&ecirc;micoglic&ecirc;mico parecem alterar, mais profundamente, a rela&ccedil;&atilde;o    glicemia-insulina, quando comparadas &agrave; adi&ccedil;&atilde;o pura de sacarose    na dieta &#8211; conforme monstrou um estudo cruzado com quatro tipos de dietas,    por&eacute;m de curto seguimento (21 dias).<sup>99</sup> Adicionalmente, nas    &aacute;reas urbanas que apresentam menor consumo de a&ccedil;&uacute;car, &eacute;    maior o consumo de biscoitos, fonte importante de &aacute;cidos graxos <i>trans</i>.</font></p>     <p><a name="tab2"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t2.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Para limitar o consumo de a&ccedil;&uacute;cares    livres, levando-se em conta toda a discuss&atilde;o conceitual relativa a mudan&ccedil;as    de comportamento alimentar apresentadas, parece mais adequado concentrar a discuss&atilde;o    no a&ccedil;&uacute;car adicionado aos produtos industrializados.</font></p>     <p><font size="2" face="Verdana">O consumo de refrigerantes tem sido um fator    associado ao ganho de peso;<sup>77</sup> um dos poucos estudos de preven&ccedil;&atilde;o    populacional com resultados positivos quanto &agrave; redu&ccedil;&atilde;o    de ganho de peso foi realizado em escolares e baseou-se, exclusivamente, na    redu&ccedil;&atilde;o de refrigerantes.<sup>79</sup> A densidade energ&eacute;tica de l&iacute;quidos    &eacute; menos reconhecida como consumo de energia, pelo menos entre adultos.<sup>100</sup></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise do consumo de adolescentes americanos    mostrou, claramente, uma primeira substitui&ccedil;&atilde;o de leite por refrigerantes    e, posteriormente, a parcial substitui&ccedil;&atilde;o dos refrigerantes por    sucos, com grande adi&ccedil;&atilde;o de xarope de frutose.<sup>101</sup> Portanto,    a recomenda&ccedil;&atilde;o para redu&ccedil;&atilde;o do consumo de refrigerantes    deve ser associada a todas as demais recomenda&ccedil;&otilde;es para uma dieta    saud&aacute;vel.</font></p>     <p><font size="2" face="Verdana">Redu&ccedil;&otilde;es no consumo de gorduras,    n&atilde;o a redu&ccedil;&atilde;o de calorias totais, foram ineficazes em reduzir    o gasto cal&oacute;rico total. Essas seriam nossas duas estrat&eacute;gias locais    para redu&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares livres com substitui&ccedil;&atilde;o    por pr&aacute;ticas alimentares mais saud&aacute;veis.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Limitar o consumo de s&oacute;dio e garantir    a iodiza&ccedil;&atilde;o</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O s&oacute;dio e o pot&aacute;ssio s&atilde;o    minerais essenciais para a regula&ccedil;&atilde;o dos fluidos intra e extracelulares,    atuando na manuten&ccedil;&atilde;o da press&atilde;o sangu&iacute;nea. O sal    de cozinha &#8211; cloreto de s&oacute;dio &#8211; &eacute; a principal fonte    de s&oacute;dio, sendo composto por 40% desse elemento qu&iacute;mico. A necessidade    humana di&aacute;ria de sal &eacute; de cerca de 300-500 miligramas.<sup>102</sup>    A maior parte dos indiv&iacute;duos, mesmo crian&ccedil;as, consome n&iacute;veis    al&eacute;m das suas necessidades. O consumo populacional excessivo, maior que    6g di&aacute;rias (2,4g de s&oacute;dio), &eacute; uma causa importante da hipertens&atilde;o    arterial (HA). A HA explica 40% das mortes por acidente vascular encef&aacute;lico    (AVE) e 25% daquelas por doen&ccedil;a arterial coronariana.</font></p>     <p><font size="2" face="Verdana">O consumo de s&oacute;dio est&aacute; relacionado,    diretamente, com a press&atilde;o arterial. Dados populacionais sugerem que    uma redu&ccedil;&atilde;o de 100mmol/dia de s&oacute;dio est&aacute; associada    com diferen&ccedil;as na press&atilde;o sist&oacute;lica de 5 mmHg (15-19 anos)    e 10mmHg (60-69 anos).<sup>103</sup> Estima-se que a redu&ccedil;&atilde;o de    50mmol/dia poderia levar a uma redu&ccedil;&atilde;o de 50% no n&uacute;mero    de indiv&iacute;duos com necessidade de tratamento anti-hipertensivo, 22% no    n&uacute;mero de mortes por AVE e 16% no n&uacute;mero de mortes por doen&ccedil;as    coronarianas. A revis&atilde;o de 32 ensaios cl&iacute;nicos concluiu que a    redu&ccedil;&atilde;o de 70-80mmol/dia de s&oacute;dio estava associada com    a queda dos n&iacute;veis press&oacute;ricos, tanto de indiv&iacute;duos hipertensos    (4,8/1,9mmHg) como normotensos (2,5/1,1mmHg).<sup>104</sup> Ensaios cl&iacute;nicos    tamb&eacute;m originaram informa&ccedil;&otilde;es a respeito do efeito redutor    do controle no consumo de s&oacute;dio em crian&ccedil;as<sup>105,106</sup>    e idosos.<sup>107</sup> Ensaios sobre dietas com baixo aporte de s&oacute;dio    &#8211; com n&iacute;veis de excre&ccedil;&atilde;o urin&aacute;ria de24h de    70mmol &#8211; mostraram-se seguras e efetivas<sup>108</sup> (<a href="#tab3">Tabela    3</a>).<sup>107,109-112</sup></font></p>     <p><a name="tab3"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t3.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Recomenda&ccedil;&otilde;es de consumo de    sal</b></font></p>     <p><font size="2" face="Verdana">O consumo de s&oacute;dio, de todas as fontes,    deve ser limitado de maneira a reduzir o risco de doen&ccedil;as coronarianas    e AVE. As evid&ecirc;ncias atuais sugerem que um consumo n&atilde;o superior    a 70mmol ou 1,7g de s&oacute;dio (5g de cloreto de s&oacute;dio) por dia &eacute;    ben&eacute;fico para a redu&ccedil;&atilde;o da press&atilde;o arterial. Todo    o sal para consumo humano dever&aacute; ser iodado. A <a href="#tab4">Tabela    4</a><sup>113-116</sup> elenca alguns consensos de organiza&ccedil;&otilde;es    nacionais e internacionais para o consumo de sal.<sup>117</sup></font></p>     ]]></body>
<body><![CDATA[<p><a name="tab4"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t4.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Em metan&aacute;lise realizada por Feng e Graham,<Sup>118</Sup>    os autores concluem que a recomenda&ccedil;&atilde;o em torno de 5 a 6g/dia    de cloreto de s&oacute;dio baseia-se mais no que &eacute; poss&iacute;vel do    que no n&iacute;vel cujo efeito positivo m&aacute;ximo pudesse ser alcan&ccedil;ado.    A an&aacute;lise do efeito dose-resposta de ensaios cl&iacute;nicos de longa    dura&ccedil;&atilde;o indicou que a redu&ccedil;&atilde;o de 3g/dia leva a uma    queda na press&atilde;o de 3,6 a 5,6/1,9 a 3,2 mmHg (sist&oacute;lica/diast&oacute;lica)    em indiv&iacute;duos hipertensos; e de 1,8 a 3,5/0,8 a 1,8 mmHg em indiv&iacute;duos    normais. Esse efeito dobraria com a redu&ccedil;&atilde;o de 6g/dia e triplicaria    com a redu&ccedil;&atilde;o de 9g/dia. Segundo os autores, isso significaria,    em uma estimativa conservadora, que a redu&ccedil;&atilde;o de 3g do consumo    di&aacute;rio de cloreto de s&oacute;dio levaria a uma redu&ccedil;&atilde;o    de 13% nos casos de AVE; e de 10% nas doen&ccedil;as isqu&ecirc;micas do cora&ccedil;&atilde;o.    Esse efeito dobraria com a redu&ccedil;&atilde;o de 6g e triplicaria com a redu&ccedil;&atilde;o    de 9g/dia. A recomenda&ccedil;&atilde;o atual para o n&iacute;vel de 6g/dia    teria efeito positivo na redu&ccedil;&atilde;o da HA, mas, a longo prazo, n&atilde;o    deveria ser considerada ideal.<sup>113</sup></font></p>     <p><font size="2" face="Verdana">As informa&ccedil;&otilde;es dispon&iacute;veis    sobre consumo de sal prov&ecirc;m da ind&uacute;stria brasileira e indicam que    a m&eacute;dia de consumo de sal em 2000 era de 16,76g por dia, seguindo uma    tend&ecirc;ncia crescente.<sup>119</sup> Prevendo-se que 10% desse total refere-se a alimenta&ccedil;&atilde;o    animal e desperd&iacute;cio, podemos inferir um consumo di&aacute;rio, por pessoa,    de 15,08g. Esse valor, comparado com a m&eacute;dia de consumo dos pa&iacute;ses    industrializados, que &eacute; de 8-9g por dia, representa um dos n&iacute;veis    mais altos do mundo.<sup>120</sup> Isso significa que a popula&ccedil;&atilde;o do Brasil,    em m&eacute;dia, deveria diminuir o consumo do sal em dois ter&ccedil;os, a    fim de se aproximar do limite recomend&aacute;vel. Tendo em vista que a maioria    do sal est&aacute; contida nos alimentos industrializados, a conquista de uma    redu&ccedil;&atilde;o substancial no consumo desse produto exigir&aacute; mudan&ccedil;as    nas pr&aacute;ticas de industrializa&ccedil;&atilde;o de alimentos.</font></p>     <p><font size="2" face="Verdana"><b>Dados nacionais</b></font></p>     <p><font size="2" face="Verdana">N&atilde;o h&aacute; estudos de preval&ecirc;ncia    da hipertens&atilde;o   arterial na popula&ccedil;&atilde;o brasileira, exceto por algumas   verifica&ccedil;&otilde;es em regi&otilde;es restritas e n&atilde;o representativas   do que ocorre no conjunto do pa&iacute;s. Com base em   estudos realizados em outros pa&iacute;ses e nas &#8211; j&aacute; citadas   &#8211; verifica&ccedil;&otilde;es em algumas regi&otilde;es do Brasil, estimase   uma preval&ecirc;ncia de, aproximadamente, 20% da   popula&ccedil;&atilde;o adulta, o que significa cerca de 20 milh&otilde;es   de habitantes com mais de 19 anos de idade.</font></p>     <p><font size="2" face="Verdana"><b>O Programa Nacional de Controle dos Dist&uacute;rbios    de Defici&ecirc;ncia de Iodo</b></font></p>     <p><font size="2" face="Verdana">Nesse &acirc;mbito, o Brasil conta com uma a&ccedil;&atilde;o    sistem&aacute;tica de Sa&uacute;de P&uacute;blica que vem somando resultados    positivos.<sup>121</sup> Inqu&eacute;rito sobre o b&oacute;cio end&ecirc;mico    revelou preval&ecirc;ncia baixa da doen&ccedil;a &#8211;, teor de iodo urin&aacute;rio    nunca abaixo de 100&micro;g/l nas amostras estudadas &#8211;, embora tenha-se    detectado freq&uuml;&ecirc;ncia elevada de amostras com excesso de iodo (&gt;300&micro;g/l).    Os dados dispon&iacute;veis permitem afirmar, com certa seguran&ccedil;a, que    a defici&ecirc;ncia de iodo foi controlada no Brasil, sendo recomendada uma    redu&ccedil;&atilde;o na faixa de iodo no sal de 40 a 100mg/kg para 20 a 60mg/kg.    &#91;Resolu&ccedil;&atilde;o de Diretoria Colegiada (RDC) n<sup>o</sup>; 130,    de 26 de maio de 2003, da Ag&ecirc;ncia Nacional de Vigil&acirc;ncia Sanit&aacute;ria    (Anvisa)/MS; Decreto n<sup>o</sup> 75.697, de 6 de maio de 1975&#93;<sup>122,123</sup>    Portanto, a recomenda&ccedil;&atilde;o atual &eacute; adequada, resguardando-se    cuidados com o excesso de ioda&ccedil;&atilde;o.</font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Recomenda&ccedil;&otilde;es da EG/OMS relativas    &agrave; atividade f&iacute;sica</b></font></p>     <p><font size="2" face="Verdana">A EG/OMS recomenda &quot;<i>que os indiv&iacute;duos    adotem n&iacute;veis adequados de atividade f&iacute;sica durante toda a vida.    Diferentes tipos e quantidades de atividade f&iacute;sica s&atilde;o necess&aacute;rios    para obter diferentes resultados na sa&uacute;de: a pr&aacute;tica regular de    30 minutos de atividade f&iacute;sica de moderada intensidade, na maior parte    dos dias, reduz o risco de doen&ccedil;as cardiovasculares e c&acirc;ncer de    c&oacute;lon e de mama. O treinamentode resist&ecirc;ncia muscular e equil&iacute;brio    pode reduzir quedas e aumentar a capacidade funcional nos idosos. Maiores n&iacute;veis    de atividade f&iacute;sica podem ser necess&aacute;rios para o controle de peso</i>&quot;.</font></p>     <p><font size="2" face="Verdana">No Brasil, observa-se o aumento da expectativa    de vida e o crescimento expressivo da popula&ccedil;&atilde;o idosa. Entretanto,    a maior expectativa de vida da popula&ccedil;&atilde;o, se n&atilde;o acompanhada    de investimento na promo&ccedil;&atilde;o da sa&uacute;de dos indiv&iacute;duos,    pode resultar em aumento de anos vividos com DCNT e incapacidades. Assim, a    possibilidade de preven&ccedil;&atilde;o ou revers&atilde;o de limita&ccedil;&otilde;es    funcionais mediante atividade f&iacute;sica e exerc&iacute;cio &eacute; um assunto    de grande interesse para a Sa&uacute;de P&uacute;blica nacional.</font></p>     <p><font size="2" face="Verdana">A atividade f&iacute;sica pode ser definida como    qualquer movimento realizado pelo sistema esquel&eacute;tico com gasto de energia.    J&aacute; o exerc&iacute;cio &eacute; uma categoria da atividade f&iacute;sica    definida como um conjunto de movimentos f&iacute;sicos repetitivos, planejados    e estruturados para melhorar o desempenho f&iacute;sico. A aptid&atilde;o f&iacute;sica    &eacute; definida pela presen&ccedil;a de atributos relacionados &agrave; habilidade    no desempenho de atividades f&iacute;sicas. Treinamento ou condicionamento f&iacute;sico    compreende a repeti&ccedil;&atilde;o de exerc&iacute;cios, durante per&iacute;odos    de semanas ou meses, com o objetivo de melhorar a aptid&atilde;o f&iacute;sica.</font></p>     <p><font size="2" face="Verdana">H&aacute; mais de dez anos, an&aacute;lise de    estudos epidemiol&oacute;gicos prospectivos j&aacute; demonstrava que tanto    o estilo de vida ativo como um condicionamento aer&oacute;bico moderado est&atilde;o    associados, de forma independente, &agrave; diminui&ccedil;&atilde;o do risco    de incid&ecirc;ncia de DCNT, da mortalidade geral e por doen&ccedil;as cardiovasculares    (<a href="#tab5">Tabela 5</a>).<sup>124</sup></font></p>     <p><a name="tab5"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t5.gif"></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o das doen&ccedil;as    cardiovasculares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O risco relativo para doen&ccedil;as cardiovasculares    causadas pelo sedentarismo &eacute; estimado em 1,9; para hipertens&atilde;o    arterial, &eacute; igual a 2,1; e referente ao h&aacute;bito de fumar, de 2,5.    Se considerarmos a elevada preval&ecirc;ncia do estilo de vida sedent&aacute;rio,    veremos que a redu&ccedil;&atilde;o desse fator de risco implica benef&iacute;cios    inquestion&aacute;veis para a redu&ccedil;&atilde;o da incid&ecirc;ncia de doen&ccedil;as    cardiovasculares.<sup>125</sup></font></p>     <p><font size="2" face="Verdana">J&aacute; foi demonstrada uma rela&ccedil;&atilde;o    inversa entre press&atilde;o arterial e pr&aacute;tica de exerc&iacute;cios    aer&oacute;bicos, com diminui&ccedil;&atilde;o da press&atilde;o arterial sist&oacute;lica    e diast&oacute;lica, tanto em indiv&iacute;duos normotensos como em hipertensos,    mesmo ap&oacute;s ajuste por peso e gorduracorporal.<sup>126</sup> Em metan&aacute;lise    de 54 ensaios cl&iacute;nicos randomizados com 2.419 participantes, onde casos    e controles s&oacute; diferiam quanto &agrave; pr&aacute;tica de exerc&iacute;cios    aer&oacute;bicos, essa atividade f&iacute;sica foi associada &agrave; redu&ccedil;&atilde;o    significativa tanto da press&atilde;o sist&oacute;lica quanto da press&atilde;o    diast&oacute;lica.<sup>127</sup></font></p>     <p><font size="2" face="Verdana">A principal manifesta&ccedil;&atilde;o cl&iacute;nica    da insufici&ecirc;ncia card&iacute;aca &eacute; a intoler&acirc;ncia ao exerc&iacute;cio,    inclusive utilizada para sua classifica&ccedil;&atilde;o pela New York Heart    Association (NYHA).<sup>128</sup> Ensaios cl&iacute;nicos prospectivos randomizados    t&ecirc;m demonstrado 15 a 20% de aumento na toler&acirc;ncia ao exerc&iacute;cio,    ap&oacute;s tr&ecirc;s semanas de programa de treinamento, com manuten&ccedil;&atilde;o    desse benef&iacute;cio por pelo menos dois anos.<sup>129</sup></font></p>     <p><font size="2" face="Verdana">A doen&ccedil;a arterial perif&eacute;rica possui    quadro cl&iacute;nico que varia desde a aus&ecirc;ncia de sintomas at&eacute;    a claudica&ccedil;&atilde;o aos esfor&ccedil;os, dor em repouso ou mesmogangrena    de membros inferiores. Uma metan&aacute;lise de programas de exerc&iacute;cios    para pacientes com claudica&ccedil;&atilde;o intermitente demonstrou aumento    do &iacute;ndice tornozelo-bra&ccedil;o e da dist&acirc;ncia percorrida pelo    paciente sem dor.<sup>130</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do diabetes tipo    2</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">Estudos longitudinais mostram que o aumento da    atividade f&iacute;sica reduz o risco de desenvolvimento de diabetes tipo 2,    independentemente do grau de adiposidade<sup>131,132</sup>.</font></p>     <p><font size="2" face="Verdana">O exerc&iacute;cio aer&oacute;bico de leve a    moderada intensidade, em conjunto com leve perda de peso e dieta saud&aacute;vel,    diminui em 50% o risco de indiv&iacute;duos com intoler&acirc;ncia &agrave;    glicose evolu&iacute;rem para diabetes. Associados a mudan&ccedil;as alimentares,    ensaios cl&iacute;nicos randomizados documentam redu&ccedil;&otilde;es relativas    de risco na progress&atilde;o para um risco de 58% em menos de tr&ecirc;s anos.<sup>133,134</sup>    Uma revis&atilde;o sistem&aacute;tica sobre os efeitos do exerc&iacute;cio f&iacute;sico    no diabetes tipo 2, envolvendo 14 ensaios cl&iacute;nicos (11 randomizados),    mostrou redu&ccedil;&atilde;o da glicohemoglobina, mas n&atilde;o do &iacute;ndice    de massa corporal.<sup>135</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da obesidade</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O aumento do n&iacute;vel de atividade f&iacute;sica,    por si s&oacute;, &eacute; insuficiente para    perda ou manuten&ccedil;&atilde;o do peso de pessoas obesas. Quando associados    &agrave; dieta, j&aacute; foi demonstrado que a atividade f&iacute;sica e o    exerc&iacute;cio contribuem para a perda de peso mais r&aacute;pida, sem redu&ccedil;&atilde;o    concomitante de massa magra e com menor &iacute;ndice de recidiva do aumento    de peso.<sup>136</sup></font></p>     <p><font size="2" face="Verdana"><b>Na melhoria do perfil lip&iacute;dico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O exerc&iacute;cio aer&oacute;bico de moderada    intensidade pode elevar o HDL-colesterol, reduzir o colesterol total e os triglic&eacute;rides?<sup>137</sup></font></p>     <p><font size="2" face="Verdana">Ap&oacute;s a menopausa, mulheres t&ecirc;m um    perfil lip&iacute;dico menos favor&aacute;vel, com aumento do colesterol total,    LDL-colesterol e triglicer&iacute;deos, al&eacute;m de redu&ccedil;&atilde;o    do HDL-colesterol. Uma revis&atilde;o de estudos transversais e longitudinais    sugere que exerc&iacute;cios aer&oacute;bicos regulares no per&iacute;odo p&oacute;s-menopausa    aumentam os n&iacute;veis de HDL-colesterol, diminuem os n&iacute;veis de LDL-colesterol,    do colesterol total e da gordura corporal. Ainda h&aacute; controv&eacute;rsias    sobre os benef&iacute;cios do exerc&iacute;cio para os n&iacute;veis de HDL-colesterol,    que n&atilde;o se alteraram em dois estudos longitudinais que compararam mulheres    na p&oacute;s-menopausa, sedent&aacute;rias ou ativas, controlando-se pelo &iacute;ndice    de massa corp&oacute;rea. Entretanto, esses mesmos estudos mostraram redu&ccedil;&atilde;o    da gordura corporal total e redu&ccedil;&atilde;o da gordura abdominal.<sup>138</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da s&iacute;ndrome    metab&oacute;lica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">Essa s&iacute;ndrome, basicamente caracterizada    por obesidade central, dislipidemia (HDL-colesterol baixo e triglic&eacute;rides    elevado), hiperglicemia e diminui&ccedil;&atilde;o da fibrin&oacute;lise associadas    &agrave; resist&ecirc;ncia &agrave; insulina e &agrave; inflama&ccedil;&atilde;o    cr&ocirc;nica e branda, pode, potencialmente, ser combatida pela pr&aacute;tica    regular de atividade f&iacute;sica de moderada intensidade, conforme documentado    anteriormente. N&atilde;o h&aacute; ensaios cl&iacute;nicos randomizados que    tenham testado, diretamente, esses efeitos na s&iacute;ndrome metab&oacute;lica.    Contudo, dados de dois ensaios cl&iacute;nicos randomizados sobre mudan&ccedil;as    de estilo de vida em pessoa com toler&acirc;ncia diminu&iacute;da &agrave; glicose    na progress&atilde;o para o diabetes ap&oacute;iam a assertiva.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o de doen&ccedil;as    do aparelho m&uacute;sculo-esquel&eacute;tico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O envelhecimento est&aacute; associado a mudan&ccedil;as    na composi&ccedil;&atilde;o corporal, com redu&ccedil;&atilde;o no conte&uacute;do    de &aacute;gua (desidrata&ccedil;&atilde;o cr&ocirc;nica), &oacute;sseo (osteopenia)    e muscular (sarcopenia) e aumento da gordura corporal. A inatividade f&iacute;sica    est&aacute; relacionada a todos esses fatores.</font></p>     <p><font size="2" face="Verdana">A osteoporose &eacute; caracterizada pela perda    de massa e desorganiza&ccedil;&atilde;o da estrutura &oacute;ssea, sendo a principal    causa de fraturas em idosos, principalmente mulheres. O exerc&iacute;cio de    resist&ecirc;ncia muscular com carga est&aacute; associado &agrave; menor perda    &oacute;ssea ao longo da vida e ao aumento da densidade &oacute;ssea na p&oacute;s-menopausa.    Caminhar com passos r&aacute;pidos parece ser o exerc&iacute;cio de escolha    na preven&ccedil;&atilde;o da osteoporose, pois contribui para o aumento da    densidade &oacute;ssea em todo o esqueleto, estejam os ossos envolvidos com    sustenta&ccedil;&atilde;o do peso ou n&atilde;o.<sup>137</sup>Al&eacute;m    disso, estudo controlado envolvendo idosas com osteoporose revelou aumento de    perda &oacute;ssea em seis meses, nos controles, contra manuten&ccedil;&atilde;o    da densidade mineral naquelas envolvidas em programas de exerc&iacute;cios com    peso.<sup>139</sup></font></p>     <p><font size="2" face="Verdana">A sarcopenia est&aacute; associada a maior instabilidade    postural, risco de quedas e imobilidade. O exerc&iacute;cio de resist&ecirc;ncia    pode resultar em ganhos de for&ccedil;a de 25 a 100% em idosos por hipertrofia    muscular e, presumivelmente, por aumento da atividade neural motora, resultando    em diminui&ccedil;&atilde;o do risco de quedas.<sup>140</sup></font></p>     <p><font size="2" face="Verdana"><b>Na manuten&ccedil;&atilde;o e melhoria da    capacidade funcional</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A capacidade de realizar atividades f&iacute;sicas    cotidianas, profissionais, esportivas, terap&ecirc;uticas e de lazer &eacute;    chamada de capacidade funcional. Ela depende de fatores como a idade, estado    nutricional e de sa&uacute;de dos indiv&iacute;duos. A capacidade de exerc&iacute;cio    e o VO2 m&aacute;ximo diminuem com a idade. O VO2 max&iacute;mo &eacute; a m&aacute;xima    quantidade de oxig&ecirc;nio, em mil&iacute;metros, que se use por quilo de    peso corporal, em um minuto. O VO2 m&aacute;ximo atinge o seu valor mais alto    entre os 15 e os 30anos de idade, declinando a seguir, gradativamente, at&eacute;    atingir, aos 60 anos, um percentual de cerca de 25% em rela&ccedil;&atilde;o    ao VO2 m&aacute;ximo &agrave; idade de 20 anos.</font></p>     <p><font size="2" face="Verdana">Estudo longitudinal em homens maiores de 20 anos    mostrou a baixa capacidade funcional como um preditor independe de mortalidade    global e por doen&ccedil;as cardiovasculares.<sup>141</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer    de c&oacute;lon</b></font></p>     ]]></body>
<body><![CDATA[<p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise da rela&ccedil;&atilde;o entre    atividade f&iacute;sica e c&acirc;ncer   de c&oacute;lon a partir de dados de estudos longitudinais e   estudos de caso-controle multic&ecirc;ntricos mostrou que   a atividade f&iacute;sica n&atilde;o &eacute;, meramente, um marcador de   estilo de vida mais saud&aacute;vel, sen&atilde;o um preditor independente,   de efeito protetor para o c&acirc;ncer de c&oacute;lon.   Por exemplo, estudo de seguimento de profissionais   de sa&uacute;de revelou que os homens com atividade f&iacute;sica   de moderada a intensa s&atilde;o tamb&eacute;m os que ingerem   menos gorduras saturadas, comem mais frutas, tomam   mais polivitam&iacute;nicos e fumam menos. Ademais, mesmo   ap&oacute;s o controle de todos esses fatores na an&aacute;lise, foi   mantida a rela&ccedil;&atilde;o inversa entre a atividade f&iacute;sica e o   risco de c&acirc;ncer de c&oacute;lon.<sup>142</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer    de mama</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A maioria dos estudos de revis&atilde;o observa    um menor   risco de c&acirc;ncer de mama em mulheres ativas. H&aacute;   evid&ecirc;ncias convincentes do decr&eacute;scimo de risco de   c&acirc;ncer de mama com a pr&aacute;tica de pelo menos quatro   horas semanais de atividade f&iacute;sica de intensidade moderada.   Por&eacute;m, as evid&ecirc;ncias ainda s&atilde;o insuficientes   para referir uma rela&ccedil;&atilde;o dose-resposta entre atividade   f&iacute;sica e risco de c&acirc;ncer de mama.</font></p>     <p><font size="2" face="Verdana"><b>Sintonia entre as estrat&eacute;gias propostas    pela EG/OMS e a Pol&iacute;tica Nacional de Alimenta&ccedil;&atilde;o e Nutri&ccedil;&atilde;o    (PNAN)</b></font></p>     <p><font size="2" face="Verdana">A Pol&iacute;tica Nacional de Alimenta&ccedil;&atilde;o    e Nutri&ccedil;&atilde;o (PNAN), do Minist&eacute;rio da Sa&uacute;de, tem por    objetivos:</font></p>     <p><font size="2" face="Verdana">I Garantir a qualidade dos alimentos dispon&iacute;veis    para consumo no pa&iacute;s.</font></p>     <p><font size="2" face="Verdana">II Promover pr&aacute;ticas alimentares saud&aacute;veis.</font></p>     <p><font size="2" face="Verdana">III Prevenir e controlar os dist&uacute;rbios    nutricionais.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">IV Estimular a&ccedil;&otilde;es intersetoriais    que propiciem o acesso universal aos alimentos.</font></p>     <p><font size="2" face="Verdana">Para a sua consecu&ccedil;&atilde;o, foram definidas    as seguintes diretrizes de a&ccedil;&atilde;o:</font></p>     <p><font size="2" face="Verdana">a) est&iacute;mulo &agrave;s a&ccedil;&otilde;es    intersetoriais, com vistas ao acesso universal aos alimentos;</font></p>     <p><font size="2" face="Verdana">b) garantia da seguran&ccedil;a e da qualidade    dos alimentos e da presta&ccedil;&atilde;o de servi&ccedil;os nesse contexto;</font></p>     <p><font size="2" face="Verdana">c) monitora&ccedil;&atilde;o da situa&ccedil;&atilde;o    alimentar e nutricional;</font></p>     <p><font size="2" face="Verdana">d) promo&ccedil;&atilde;o de pr&aacute;ticas    alimentares e estilos de vida saud&aacute;veis;</font></p>     <p><font size="2" face="Verdana">e) preven&ccedil;&atilde;o e controle dos dist&uacute;rbios    nutricionais e de doen&ccedil;as associadas &agrave; alimenta&ccedil;&atilde;o    e nutri&ccedil;&atilde;o;</font></p>     <p><font size="2" face="Verdana">f) promo&ccedil;&atilde;o do desenvolvimento    de linhas de investiga&ccedil;&atilde;o; e</font></p>     <p><font size="2" face="Verdana">g) desenvolvimento e capacita&ccedil;&atilde;o    de recursos humanos.</font></p>     <p><font size="2" face="Verdana">Inerente a todas as a&ccedil;&otilde;es da PNAN/MS,    encontra-se a promo&ccedil;&atilde;o da alimenta&ccedil;&atilde;o saud&aacute;vel    como estrat&eacute;gia central. &Eacute; mister alertar, aqui, para outra diretriz    dessa pol&iacute;tica nacional de promo&ccedil;&atilde;o da sa&uacute;de: a    preven&ccedil;&atilde;o e controle dos dist&uacute;rbios nutricionais e de doen&ccedil;as    associadas &agrave; alimenta&ccedil;&atilde;o e nutri&ccedil;&atilde;o. Outrossim,    a intersetorialidade &eacute; reconhecida como um pilar fundamental para toda    e qualquer das diretrizes apresentadas.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">As interfaces da EG com a PNAN refletem a posi&ccedil;&atilde;o    de vanguarda ocupada pelo Brasil no contexto internacional. A intersetorialidade    expressa a sua interface mais ampla &agrave; medida que evidencia a magnitude    das a&ccedil;&otilde;es propostas, extrapolando a institui&ccedil;&atilde;o    Sa&uacute;de. Entre outros aspectos, o fato de destacar as a&ccedil;&otilde;es    de alimenta&ccedil;&atilde;o e nutri&ccedil;&atilde;o no setor Sa&uacute;de    pode alavancar e chamar a aten&ccedil;&atilde;o para a import&acirc;ncia e efetividade    da promo&ccedil;&atilde;o da alimenta&ccedil;&atilde;o saud&aacute;vel; e do    que ela pode representar, em termos de redu&ccedil;&atilde;o de gastos com Sa&uacute;de    P&uacute;blica, nos procedimentos curativos, de tratamento e recupera&ccedil;&atilde;o    do grupo de DCNT.</font></p>     <p><font size="2" face="Verdana">A promo&ccedil;&atilde;o de pr&aacute;ticas alimentares    saud&aacute;veis, que tem in&iacute;cio com o incentivo ao aleitamento materno,    est&aacute; inserida no contexto da ado&ccedil;&atilde;o de estilos de vida    saud&aacute;veis, um componente importante da promo&ccedil;&atilde;o da sa&uacute;de.    Para tanto, a socializa&ccedil;&atilde;o do conhecimento sobre os alimentos,    o processo de alimenta&ccedil;&atilde;o e a preven&ccedil;&atilde;o dos problemas    nutricionais, desde a desnutri&ccedil;&atilde;o &#8211; incluindo as car&ecirc;ncias    espec&iacute;ficas &#8211; at&eacute; a obesidade, precisa ser enfatizada. Deve-se    dedicar especial aten&ccedil;&atilde;o &agrave;s a&ccedil;&otilde;es de promo&ccedil;&atilde;o    de pr&aacute;ticas alimentares saud&aacute;veis no &acirc;mbito escolar, como,    por exemplo, o incentivo &agrave; proposi&ccedil;&atilde;o de medidas de regulamenta&ccedil;&atilde;o    da comercializa&ccedil;&atilde;o de alimentos nas cantinas das escolas.</font></p>     <p><font size="2" face="Verdana">Em termos do aleitamento materno, as atuais recomenda&ccedil;&otilde;es    est&atilde;o de pleno acordo com o C&oacute;digo Internacional de Marketing    de Substitutos do Leite Materno, &aacute;rea na qual o Brasil possui ampla experi&ecirc;ncia,    corroborada pela sua regulamenta&ccedil;&atilde;o em 1988 e ulteriores revis&otilde;es,    em 1992 e 2001-2. Na &uacute;ltima revis&atilde;o, a vers&atilde;o brasileira    do C&oacute;digo enfatiza a import&acirc;ncia do aleitamento materno exclusivo    nos seis primeiros meses de vida, assim como a manuten&ccedil;&atilde;o do aleitamento    parcial dos seis aos 24 meses, expandindo a regulamenta&ccedil;&atilde;o de    alimentos infantis at&eacute; o terceiro ano de vida. O sucesso brasileiro com    a implementa&ccedil;&atilde;o do C&oacute;digo traz uma mensagem importante    para a Estrat&eacute;gia Global de Nutri&ccedil;&atilde;o: a possibilidade efetiva    de controlar as press&otilde;es da ind&uacute;stria alimentar contra a regulamenta&ccedil;&atilde;o    de alimentos daninhos &agrave; sa&uacute;de, garantindo a proibi&ccedil;&atilde;o    da publicidade sobre as supostas vantagens nutricionais de alimentos comerciais.</font></p>     <p><font size="2" face="Verdana">Uma alimenta&ccedil;&atilde;o saud&aacute;vel    pressup&otilde;e o enfoque priorit&aacute;rio de resgate de h&aacute;bitos e    pr&aacute;ticas alimentares regionais, inerentes ao consumo de alimentos locais,    minimamente processados, culturalmente referenciados, acess&iacute;veis e de    elevado valor nutritivo, bem como a ado&ccedil;&atilde;o de padr&otilde;es alimentares    mais variados em todas as fases do ciclo de vida. Nesse particular, a iniciativa    de incentivar o consumo de legumes, verduras e frutas, tamb&eacute;m apoiada    pela FAO/OMS, vem sendo proposta e constru&iacute;da de forma intersetorial,    na perspectiva de agregar os parceiros necess&aacute;rios &agrave; sua implementa&ccedil;&atilde;o    e, assim, contribuir para a garantia de acesso da popula&ccedil;&atilde;o brasileira    a esse grupo de alimentos. Essa iniciativa, al&eacute;m de estimular o consumo    de alimentos saud&aacute;veis regionais, pode auxiliar na gera&ccedil;&atilde;o    de emprego e renda em comunidades com tradi&ccedil;&atilde;o agr&iacute;cola    ou de agricultura familiar, no &acirc;mbito de uma Pol&iacute;tica Nacional    de Seguran&ccedil;a Alimentar e Nutricional.</font></p>     <p><font size="2" face="Verdana">Ainda no contexto da promo&ccedil;&atilde;o da    alimenta&ccedil;&atilde;o saud&aacute;vel, a rotulagem nutricional &eacute;    um importante instrumento. Inserida nas diretrizes da PNAN, tal medida de a&ccedil;&atilde;o    foi introduzida no Brasil em 2002 e, a partir de 2004, consolidou-se uma legisla&ccedil;&atilde;o    unificada para os pa&iacute;ses do Mercosul. A rotulagem nutricional &eacute;    obrigat&oacute;ria para todos os produtos industrializados e embalados e tem    como objetivo principal garantir o direito &agrave; informa&ccedil;&atilde;o    do cidad&atilde;o-consumidor, auxiliando-o na sele&ccedil;&atilde;o e aquisi&ccedil;&atilde;o    de alimentos saud&aacute;veis. Mediante a identifica&ccedil;&atilde;o dos nutrientes    e ingredientes utilizados nos alimentos, &eacute; fomentada a autonomia decis&oacute;ria    dos sujeitos. Estes, devidamente informados e garantidos na sua liberdade e    conhecimento, podem fazer melhores escolhas alimentares.</font></p>     <p><font size="2" face="Verdana">Na aten&ccedil;&atilde;o aos dist&uacute;rbios    nutricionais e &agrave;s doen&ccedil;as relacionadas com a alimenta&ccedil;&atilde;o    e nutri&ccedil;&atilde;o, especialmente o sobrepeso e a obesidade, a ado&ccedil;&atilde;o    de medidas voltadas ao disciplinamento da publicidade e das pr&aacute;ticas    de <i>marketing</i> de produtos aliment&iacute;cios industrializados &#8211;    principalmente para crian&ccedil;as e adolescentes &#8211;, sobretudo em parceria    com as entidades representativas da &aacute;rea de propaganda, empresas de comunica&ccedil;&atilde;o,    entidades da sociedade civil e do setor produtivo, s&atilde;o importantes aspectos    a serem trabalhados intersetorialmente.</font></p>     <p><font size="2" face="Verdana">A PNAN e a EG compartilham do mesmo prop&oacute;sito    central: fomentar a responsabilidade compartilhada entre sociedade, setor produtivo    e setor p&uacute;blico em assumir a necessidade de mudan&ccedil;as socioambientais,    em n&iacute;vel coletivo, favorecendo escolhas saud&aacute;veis no n&iacute;vel    individual e construindo modos de vida que contemplem, como motiva&ccedil;&atilde;o    central, a promo&ccedil;&atilde;o da sa&uacute;de e a preven&ccedil;&atilde;o    de doen&ccedil;as.</font></p>     <p><font size="2" face="Verdana">A proposta da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o,    Atividade F&iacute;sica e Sa&uacute;de mostra-se, portanto, como uma oportunidade    singular para a formula&ccedil;&atilde;o e implementa&ccedil;&atilde;o de linhas    de a&ccedil;&atilde;o efetivas de redu&ccedil;&atilde;o substancial das mortes    e doen&ccedil;as em todo o mundo. A EG/OMS deve ser vista como parte de um grande    esfor&ccedil;o pela boa alimenta&ccedil;&atilde;o e atividade f&iacute;sica    em prol da Sa&uacute;de P&uacute;blica.</font></p>     <p><font size="2" face="Verdana">Se a PNAN constitui a contribui&ccedil;&atilde;o    do setor Sa&uacute;de para a elabora&ccedil;&atilde;o da Pol&iacute;tica Nacional    de Seguran&ccedil;a Alimentar e Nutricional no Brasil, o conceito de Seguran&ccedil;a    Alimentar e Nutricional (SAN) adotado pelo pa&iacute;s &quot;<i>&eacute; a garantia,    a todos, de condi&ccedil;&otilde;es de acesso a alimentos b&aacute;sicos de    qualidade, em quantidade suficiente, de modo permanente e sem comprometer o    acesso a outras necessidades b&aacute;sicas como sa&uacute;de, educa&ccedil;&atilde;o,    moradia, trabalho, lazer (...), com base em pr&aacute;ticas alimentares que    contribuem, assim, para uma exist&ecirc;ncia digna em um contexto de desenvolvimento    integral da pessoa humana</i>&quot;.</font></p>     <p><font size="2" face="Verdana">Nessa abordagem, est&aacute; claro que os fatores    determinantes da sa&uacute;de tamb&eacute;m v&atilde;o influenciar na condi&ccedil;&atilde;o    de seguran&ccedil;a alimentar e nutricional dos indiv&iacute;duos e grupos sociais.    De acordo com os aspectos destacados, a sa&uacute;de das pessoas &eacute; determinada    pela intera&ccedil;&atilde;o de fatores diversos &#8211; socioecon&ocirc;micos,    culturais, ecol&oacute;gicos, religiosos e outros. No contexto da SAN, a concep&ccedil;&atilde;o    de sa&uacute;de &eacute; positiva e abrangente, apoiada nos recursos sociais    e coletivos e n&atilde;o apenas na capacidade f&iacute;sica ou condi&ccedil;&atilde;o    biopsicol&oacute;gica dos indiv&iacute;duos.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Outro aspecto relevante do conceito de SAN diz    respeito &agrave;s dimens&otilde;es quantitativas e qualitativas do acesso aos    alimentos. Na II Confer&ecirc;ncia Nacional de Seguran&ccedil;a Alimentar e    Nutricional, a obesidade, juntamente com a desnutri&ccedil;&atilde;o, s&atilde;o    assumidas como manifesta&ccedil;&otilde;es da inseguran&ccedil;a alimentar e    nutricional. A inclus&atilde;o da obesidade no contexto da Seguran&ccedil;a    Alimentar e Nutricional (SAN) agrega valor &agrave; dimens&atilde;o qualitativa,    j&aacute; inerente ao seu conceito. Dessa forma, al&eacute;m das dimens&otilde;es    de quantidade, regularidade e dignidade, &eacute; evidente que a qualidade se    torne, tamb&eacute;m, uma refer&ecirc;ncia objetiva, concretizada na alimenta&ccedil;&atilde;o    saud&aacute;vel.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Recomenda&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">Em um pa&iacute;s como o Brasil, onde existem    desigualdades sociais e regionais imensas, a garantia da seguran&ccedil;a alimentar    e nutricional pressup&otilde;e a necessidade de um modelo de aten&ccedil;&atilde;o    &agrave; sa&uacute;de que integre essas duas faces da inseguran&ccedil;a alimentar    e nutricional da popula&ccedil;&atilde;o: a desnutri&ccedil;&atilde;o e outras    doen&ccedil;as associadas &agrave; fome, por um lado; e o sobrepeso/obesidade    e as DCNT associadas, por outro.</font></p>     <p><font size="2" face="Verdana">As proposi&ccedil;&otilde;es da EG refor&ccedil;am    a tem&aacute;tica intersetorial da SAN no pa&iacute;s. A ado&ccedil;&atilde;o    desse conceito em &acirc;mbito mundial e, particularmente, como tema central    do atual governo brasileiro, redimensiona a alimenta&ccedil;&atilde;o e a nutri&ccedil;&atilde;o    como elementos essenciais para a promo&ccedil;&atilde;o, prote&ccedil;&atilde;o    e recupera&ccedil;&atilde;o da sa&uacute;de.</font></p>     <p><font size="2" face="Verdana">O desafio de uma alimenta&ccedil;&atilde;o saud&aacute;vel    implica a mobiliza&ccedil;&atilde;o do poder p&uacute;blico e do segmento da    produ&ccedil;&atilde;o, transforma&ccedil;&atilde;o e comercializa&ccedil;&atilde;o    de alimentos dentro de uma nova &eacute;tica que considere a sa&uacute;de como    fator essencial e orientador das estrat&eacute;gias e rela&ccedil;&otilde;es    sociais e econ&ocirc;micas intra e interpa&iacute;ses. A proposta de promo&ccedil;&atilde;o    da alimenta&ccedil;&atilde;o saud&aacute;vel e da atividade f&iacute;sica pela    OMS deve ser encarada como um avan&ccedil;o, trazendo os interesses da sa&uacute;de    da popula&ccedil;&atilde;o para a esfera dos debates econ&ocirc;micos e das    rela&ccedil;&otilde;es externas do pa&iacute;s.</font></p>     <p><font size="2" face="Verdana">Entendemos que a Estrat&eacute;gia Global para    Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica e Sa&uacute;de, da Organiza&ccedil;&atilde;o    Mundial da Sa&uacute;de, baseia-se em evid&ecirc;ncias cient&iacute;ficas convincentes,    que a sua aprova&ccedil;&atilde;o e a sua implementa&ccedil;&atilde;o criam    oportunidades para promover a sa&uacute;de e prevenir o crescimento das doen&ccedil;as    cr&ocirc;nicas n&atilde;o transmiss&iacute;veis no pa&iacute;s e no mundo.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Refer&ecirc;ncias bibliogr&aacute;ficas</b></font></p>     <!-- ref --><p><font size="2" face="Verdana">1. 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Proceedings of the Nutrition Society 2001;60:107-113.</font><p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><a name="end"></a><a href="#topo"><img src="/img/revistas/ess/v14n1/seta.gif" border="0"></a><b>Endere&ccedil;o    para correspond&ecirc;ncia:    <br>   </b><b></b></font><font size="2" face="Verdana">Av. Alfredo Balena, 190, sala    8013-B,    <br>   Belo Horizonte-MG.    <br>   CEP: 30130-100    <br>   <i>E-mail</i>:<a href="mailto:sbarreto@medicina.ufmg.br">sbarreto@medicina.ufmg.br</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><a name="nota"></a><b><a href="#topo"><sup>*</sup></a></b>Relat&oacute;rio    do Grupo T&eacute;cnico Assessor do Minist&eacute;rio da Sa&uacute;de para An&aacute;lise    da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica    e Sa&uacute;de / <i>Report by the Brazilian Ministry of Health Technical Group    for the Global Strategy on Diet, Phisical Activity and Health of the World Health    Organization</i></font></p>     <a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sYusuf^nS^rND^sReddy^nS^rND^sOunpuu^nS^rND^sAnand^nS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sYusuf^nS^rND^sReddy^nS^rND^sOunpuu^nS^rND^sAnand^nS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sReddy^nKS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sBarreto^nSM^rND^sPassos^nVM^rND^sCardoso^nAR^rND^sLima-Costa^nMF</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sChang^nMY^rND^sChait^nA</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sBeaghole^nR^rND^sSaracci^nR^rND^sPanico^nS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sStamler^nJ^rND^sStamler^nR^rND^sNeaton^nJD^rND^sWentworth^nD^rND^sDaviglus^nML^rND^sGarside^nD^rND^sDyer^nAR^rND^sLiu^nK^rND^sGreenland^nP</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sReddy^nKS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sRose^nG</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sYusuf^nS^rND^sPitt^nB</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sMarmot^nM</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sLenfant^nC</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sYusuf^nS</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sVartiainen^nE^rND^sJousilahti^nP^rND^sAlfthan^nG^rND^sSundvall^nJ^rND^sPietinen^nP^rND^sPuska^nP</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^sPekka^nP^rND^sPirjo^nP^rND^sUlla^nU</a>]]></body>
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href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Beaghole</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Saracci</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Panico</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stamler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stamler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Neaton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wentworth</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Daviglus</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ML</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Garside</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Dyer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Liu</span>^n<span style='font-size:10.0pt;font-family:Verdana'>K</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Greenland</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Reddy</span>^n<span style='font-size:10.0pt;font-family:Verdana'>KS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rose</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Yusuf</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pitt</span>^n<span style='font-size:10.0pt;font-family:Verdana'>B</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Marmot</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lenfant</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Yusuf</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Vartiainen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Jousilahti</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Alfthan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sundvall</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pietinen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Puska</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pekka</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pirjo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ulla</span>^n<span style='font-size:10.0pt;font-family:Verdana'>U</span></a>]]></body>
<body><![CDATA[<a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Monteiro</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Conde</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Matsudo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SN</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Matsudo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>VR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bonsenor</span>^n<span style='font-size:10.0pt;font-family:Verdana'>IM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lotufo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Monteiro</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>CA</span>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Conde</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>WL</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wang</span>^n<span style='font-size:10.0pt;font-family:Verdana'>Y</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Monteiro</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Popkin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Monteiro</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Conde</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Popkin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Eriksson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Forsen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Monteiro</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>POA</span>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Victora</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>CG</span>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Barros</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>FC</span>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Monteiro</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>LA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lucas</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Fewtrell</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cole</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ong</span>^n<span style='font-size:10.0pt;font-family:Verdana'>KKL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ahmed</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ML</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Emmet</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stettler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>N</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Zemel</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kumanyika</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stallings</span>^n<span style='font-size:10.0pt;font-family:Verdana'>VA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stettler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>N</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kumanyika</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SK</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Katz</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Zemel</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stallings</span>^n<span style='font-size:10.0pt;font-family:Verdana'>VA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Horta</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barros</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Victora</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cole</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JT</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Vanhala</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Vanhala</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PT</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Keinänen-Kiukaanniemi</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kumpusalo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Takala</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JK</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Singhal</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Fewtrell</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cole</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lucas</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Forsen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Eriksson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tuomilehto</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Eriksson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Forsen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tuomilehto</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Winter</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kramer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kakuma</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span></a>]]></body>
<body><![CDATA[<a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Jones</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Steketee</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Black</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bhutta</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ZA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Morris</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>VonKries</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Victora </span>^n<span style='font-size:10.0pt;font-family:Verdana'>CG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barros</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lima</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Horta</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wells</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JCK</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Li</span>^n<span style='font-size:10.0pt;font-family:Verdana'>L</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Parsons</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Power</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bergmann</span>^n<span style='font-size:10.0pt;font-family:Verdana'>KE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bergmann</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Von Kries</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bohm</span>^n<span style='font-size:10.0pt;font-family:Verdana'>O</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Richter</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Dudenhausen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JW</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wahn</span>^n<span style='font-size:10.0pt;font-family:Verdana'>U</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Parsons</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Power</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Manor</span>^n<span style='font-size:10.0pt;font-family:Verdana'>O</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Eriksson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Forsen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt; font-family:Verdana'>Poulton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt; font-family:Verdana'>Williams</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Martin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ness</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gunnell</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Emmett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Davey Smith</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wadsworth</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ME</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kuh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Fall</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Winter</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Clark</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hales</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CN</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kolacek</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kapetanovic</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Zimolo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Luzar</span>^n<span style='font-size:10.0pt;font-family:Verdana'>V</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Leeson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kattenhorn</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Deanfield</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lucas</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ravelli</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Van der Meulen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Osmond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bleker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>OP</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Marmot</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Page</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Atkins</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Douglas</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JW</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Young</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TK</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Martens</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Taback</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sellers</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Dean</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cheang</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Flett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>B</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pettitt</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Forman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hanson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Knowler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bennett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PH</span></a>]]></body>
<body><![CDATA[<a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Victora</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Morris</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Barros</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Horta</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Weiderpass</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tomasi</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Santos</span>^n<span style='font-size:10.0pt;font-family:Verdana'>IS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Victora</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Martines</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gonçalves</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gigante</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Valle</span>^n<span style='font-size:10.0pt;font-family:Verdana'>NJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pelto</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Everson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Goldberg</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Helmrich</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lakka</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lynch</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JW</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kaplan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Schmidt</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MI</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Duncan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BB</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lakka</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Laaksonen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lakka</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Niskanen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LK</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kumpusalo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tuomilehto</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lorenzo</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Okoloise</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Williams</span>^n<span style='font-size:10.0pt;font-family:Verdana'>K</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stern</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Haffner</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Prentice</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Jebb</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Astrup</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Grunwald</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GK</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Melanson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Saris</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hill</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JO</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Willett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Leibel</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RL</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Fogeholm</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kukkonen-Harjula</span>^n<span style='font-size:10.0pt;font-family:Verdana'>K</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Saris</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Blair</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SN</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Van Baak</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Eaton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SB</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Davies</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Di Pietro</span>^n<span style='font-size:10.0pt;font-family:Verdana'>L</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Pereira</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>MA</span>^rND^s<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana;mso-ansi-language:PT-BR'>Ludwig</span>^n<span lang=PT-BR style='font-size:10.0pt;font-family:Verdana; mso-ansi-language:PT-BR'>DS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Poppitt</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Keogh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GF</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Prentice</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Williams</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sonnemans</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Valk</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EE</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rolls</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ello-Martin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tohill</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BC</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ludwig</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Peterson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>KE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gortmaker</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SL</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>DiMeglio</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DP</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Mattes</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RD</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>James</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Thomas</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cavan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kerr</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ebbeling</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CB</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sinclair</span>^n<span style='font-size:10.0pt;font-family:Verdana'>KB</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pereira</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Garcia-Lago</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Feldman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ludwig</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Giammattei</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Blix</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Marshak</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wollitzer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AO</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pettitt</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Diliberti</span>^n<span style='font-size:10.0pt;font-family:Verdana'>N</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bordi</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Conklin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MT</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Roe</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rolls</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rolls</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Roe</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kral</span>^n<span style='font-size:10.0pt;font-family:Verdana'>TV</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Meengs</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wall</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DE</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rolls</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Roe</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Meengs</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JS</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wall</span>^n<span style='font-size:10.0pt;font-family:Verdana'>DE</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Astrup</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ryan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>L</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Grunwald</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GK</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Storgaard</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Saris</span>^n<span style='font-size:10.0pt;font-family:Verdana'>W</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Melanson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hill</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JO</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hooper</span>^n<span style='font-size:10.0pt;font-family:Verdana'>L</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Summerbell</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Higgins</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JPT</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Thompson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Capps</span>^n<span style='font-size:10.0pt;font-family:Verdana'>NE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Smith</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Riemersma</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ebrahim</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Oomen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ocke</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Feskens</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EJM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Van Erp-Baart</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kok</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Kromhout</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Willett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stampfer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Manson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Colditz</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Speizer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rosner</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sampson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hennekens</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CH</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ascherio</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rimm</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EB</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Giovannucci</span>^n<span style='font-size:10.0pt;font-family:Verdana'>EL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Spiegelman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stampfer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Willett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WC</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Jiang</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Manson</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Stampfer</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Liu</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Willett</span>^n<span style='font-size:10.0pt;font-family:Verdana'>WC</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hu</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FB</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Singh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RB</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Dubnov</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Niaz</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ghosh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Singh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rastogi</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt; font-family:Verdana'>De Lorgeril</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Renaud</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Mamelle</span>^n<span style='font-size:10.0pt;font-family:Verdana'>N</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Salen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Martin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JL</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Monjaud</span>^n<span style='font-size:10.0pt;font-family:Verdana'>I</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bingham</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Day</span>^n<span style='font-size:10.0pt;font-family:Verdana'>NE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Luben</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ferrari</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Slimani</span>^n<span style='font-size:10.0pt;font-family:Verdana'>N</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Norat</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Riboli</span>^n<span style='font-size:10.0pt;font-family:Verdana'>E</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Norat</span>^n<span style='font-size:10.0pt;font-family:Verdana'>T</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Brynes</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Mark Edwards</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ghatei</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Dornhorst</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Morgan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bloom</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Frost</span>^n<span style='font-size:10.0pt;font-family:Verdana'>GS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Van Wymelbeke</span>^n<span style='font-size:10.0pt;font-family:Verdana'>V</span>^rND^s<span style='font-size:10.0pt; font-family:Verdana'>Beridot-Therond</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ME</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>de La Gueronniere</span>^n<span style='font-size:10.0pt;font-family:Verdana'>V</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Fantino</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cavadini</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Siega-Riz</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AM</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Popkin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>BM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Law</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MR</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Frost</span>^n<span style='font-size:10.0pt;font-family:Verdana'>CD</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wald</span>^n<span style='font-size:10.0pt;font-family:Verdana'>NJ</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cutler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Follmann</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Allender</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PS</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Geleijnse</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hofman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hazebroek</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Valkenburg</span>^n<span style='font-size:10.0pt;font-family:Verdana'>HA</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Whelton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PK</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sacks</span>^n<span style='font-size:10.0pt;font-family:Verdana'>FM</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Alderman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Madhavan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cohen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>H</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Sealey</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JE</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Laragh</span>^n<span style='font-size:10.0pt;font-family:Verdana'>JH</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Alderman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>MH</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Cohen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>H</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Madhavan</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>He</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Ogden</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LG</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Vupputuri</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Bazzano</span>^n<span style='font-size:10.0pt;font-family:Verdana'>LA</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Loria</span>^n<span style='font-size:10.0pt;font-family:Verdana'>C</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Whelton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>PK</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tuomilehto</span>^n<span style='font-size:10.0pt;font-family:Verdana'>J</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Jouslahti</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rastenyte</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Moltchanov</span>^n<span style='font-size:10.0pt;font-family:Verdana'>V</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Tanskanen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Pietinen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>P</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Vannuchi</span>^n<span style='font-size:10.0pt;font-family:Verdana'>H</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Feng J</span>^n<span style='font-size:10.0pt;font-family:Verdana'>He</span>^rND^s<span style='font-size:10.0pt; font-family:Verdana'>Graham</span>^n<span style='font-size:10.0pt;font-family:Verdana'>A</span></a>]]></body>
<body><![CDATA[<a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Blair</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SN</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Nied</span>^n<span style='font-size:10.0pt;font-family:Verdana'>RJ</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Franklin</span>^n<span style='font-size:10.0pt;font-family:Verdana'>B</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Whelton</span>^n<span style='font-size:10.0pt;font-family:Verdana'>SP</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gielen</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Schuler</span>^n<span style='font-size:10.0pt;font-family:Verdana'>G</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hambrecht</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Gardner</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AW</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Poehmann</span>^n<span style='font-size:10.0pt;font-family:Verdana'>ET</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Helmrich</span>^n<span style='font-size:10.0pt;font-family:Verdana'>S</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Rayland</span>^n<span style='font-size:10.0pt;font-family:Verdana'>D</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Lenny</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Puffenharger</span>^n<span style='font-size:10.0pt;font-family:Verdana'>R</span></a><a 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href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Wei</span>^n<span style='font-size:10.0pt;font-family:Verdana'>M</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^s<span style='font-size:10.0pt;font-family:Verdana'>Hardman</span>^n<span style='font-size:10.0pt;font-family:Verdana'>AE</span></a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^1A01^nSandhi Maria^sBarreto^rND^1A02^nAnelise Rizzolo de Oliveira^sPinheiro^rND^1A03^nRosely^sSichieri^rND^1A04^nCarlos Augusto^sMonteiro^rND^1A05^nMalaquias Batista^sFilho^rND^1A06^nMaria Inês^sSchimidt^rND^1A04^nPaulo^sLotufo^rND^1A07^nAna Marlúcia^sAssis^rND^1A08^nValéria^sGuimarães^rND^1A09^nElisabetta Gioconda Iole Giovanna^sRecine^rND^1A10^nCésar Gomes^sVictora^rND^1A11^nDenise^sCoitinho^rND^1A12^nValéria Maria de Azeredo^sPassos</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^1A01^nSandhi Maria^sBarreto^rND^1A02^nAnelise Rizzolo de Oliveira^sPinheiro^rND^1A03^nRosely^sSichieri^rND^1A04^nCarlos Augusto^sMonteiro^rND^1A05^nMalaquias Batista^sFilho^rND^1A06^nMaria Inês^sSchimidt^rND^1A04^nPaulo^sLotufo^rND^1A07^nAna Marlúcia^sAssis^rND^1A08^nValéria^sGuimarães^rND^1A09^nElisabetta Gioconda Iole Giovanna^sRecine^rND^1A10^nCésar Gomes^sVictora^rND^1A11^nDenise^sCoitinho^rND^1A12^nValéria Maria de Azeredo^sPassos</a><a href=http://scielo.iec.gov.br/cgi-bin/wxis.exe/iah/?IsisScript=iah/iah.xis&nextAction=lnk&base=article^dlibrary&indexSearch=AU&exprSearch=../bases-work/ess/ess&lang=>^rND^1A01^nSandhi Maria^sBarreto^rND^1A02^nAnelise Rizzolo de Oliveira^sPinheiro^rND^1A03^nRosely^sSichieri^rND^1A04^nCarlos Augusto^sMonteiro^rND^1A05^nMalaquias Batista^sFilho^rND^1A06^nMaria Inˆs^sSchimidt^rND^1A04^nPaulo^sLotufo^rND^1A07^nAna Marl£cia^sAssis^rND^1A08^nVal‚ria^sGuimar„es^rND^1A09^nElisabetta Gioconda Iole Giovanna^sRecine^rND^1A10^nC‚sar Gomes^sVictora^rND^1A11^nDenise^sCoitinho^rND^1A12^nVal‚ria Maria de Azeredo^sPassos</a><p align="right"><font size="2" face="Verdana"><b><a name="topo"></a>RELAT&Oacute;RIO</b></font></p>     <p>&nbsp;</p>     <p><font size="4" face="Verdana"><b>An&aacute;lise da estrat&eacute;gia global    para alimenta&ccedil;&atilde;o, atividade f&iacute;sica e sa&uacute;de, da Organiza&ccedil;&atilde;o    Mundial da Sa&uacute;de<a href="#nota"><sup>*</sup></a></b></font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Analysis of the global strategy on diet, physical    activity and health of the World Health Organization</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Sandhi Maria Barreto<sup>I</sup>; Anelise    Rizzolo de Oliveira Pinheiro<sup>II</sup>; Rosely Sichieri<sup>III</sup>; Carlos    Augusto Monteiro<sup>IV</sup>; Malaquias Batista Filho<sup>V</sup>; Maria In&ecirc;s    Schimidt<sup>VI</sup>; Paulo Lotufo<sup>IV</sup>; Ana Marl&uacute;cia Assis<sup>VII</sup>;    Val&eacute;ria Guimar&atilde;es<sup>VIII</sup>; Elisabetta Gioconda Iole Giovanna    Recine<sup>IX</sup>; C&eacute;sar Gomes Victora<sup>X</sup>; Denise Coitinho<sup>XI</sup>;    Val&eacute;ria Maria de Azeredo Passos<sup>XII</sup></b></font></p>     <p><font size="2" face="Verdana"><sup>I</sup>Universidade Federal de Minas Gerais,    Belo Horizonte-MG. Secretaria de Aten&ccedil;&atilde;o &agrave; Sa&uacute;de,    Minist&eacute;rio da Sa&uacute;de, Bras&iacute;lia-DF    <br>   <sup>II</sup>Secretaria de Aten&ccedil;&atilde;o &agrave; Sa&uacute;de, Minist&eacute;rio    da Sa&uacute;de, Bras&iacute;lia-DF    ]]></body>
<body><![CDATA[<br>   <sup>III</sup>Instituto de Medicina Social, Universidade Federal do Rio de Janeiro,    Rio de Janeiro-RJ    <br>   <sup>IV</sup>Universidade de S&atilde;o Paulo, S&atilde;o Paulo-SP    <br>   <sup>V</sup>Instituto Materno-Infantil de Pernambuco, Recife-PE    <br>   <sup>VI</sup>Universidade Federal do Rio Grande do Sul, Porto Alegre-RS    <br>   <sup>VII</sup>Universidade Federal da Bahia, Salvador-BA    <br>   <sup>VIII</sup>Sociedade Brasileira de Endocrinologia e Metabologia    <br>   <sup>IX</sup>Associa&ccedil;&atilde;o BRANDH    <br>   <sup>X</sup>Universidade Federal de Pelotas, Pelotas-RS    <br>   <sup>XI</sup>Universidade de Bras&iacute;lia, Bras&iacute;lia-DF    <br>   <sup>XII</sup>Universidade Federal de Minas Gerais, Belo Horizonte-MG</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><a href="#end">Endere&ccedil;o para correspond&ecirc;ncia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b>RESUMO</b></font></p>     <p><font size="2" face="Verdana">O presente documento analisa a Estrat&eacute;gia    Global para Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica e Sa&uacute;de    da Organiza&ccedil;&atilde;o Mundial da Sa&uacute;de (EG/OMS), em resposta &agrave;    demanda da Portaria n<sup>o</sup> 596/GM, de 8 de abril de 2004, do Minist&eacute;rio    da Sa&uacute;de. A an&aacute;lise das evid&ecirc;ncias cient&iacute;ficas que    ap&oacute;iam cada recomenda&ccedil;&atilde;o feita pela EG/OMS foi realizada    tendo como refer&ecirc;ncia os crit&eacute;rios definidos pelo Grupo de Peritos    do Relat&oacute;rio 916 da OMS, o qual determina a classifica&ccedil;&atilde;o    das evid&ecirc;ncias em convincente, prov&aacute;vel, poss&iacute;vel e insuficiente.    Realizou-se reuni&atilde;o com os componentes do grupo respons&aacute;vel por    este documento, para analisar as evid&ecirc;ncias cient&iacute;ficas que ap&oacute;iam    a iniciativa da OMS e classific&aacute;-las por consenso, segundo os crit&eacute;rios    utilizados na sua elabora&ccedil;&atilde;o. Proje&ccedil;&otilde;es para as    pr&oacute;ximas d&eacute;cadas indicam um crescimento epid&ecirc;mico das doen&ccedil;as    n&atilde;o transmiss&iacute;veis &#8211; particularmente das doen&ccedil;as    cardiovasculares, neoplasias e diabetes tipo 2 &#8211; na maioria dos pa&iacute;ses    em desenvolvimento. A transi&ccedil;&atilde;o nutricional em curso nesses pa&iacute;ses,    com o aumento expressivo da obesidade, &eacute; um dos fatores mais importantes    para explicar essa tend&ecirc;ncia. As recomenda&ccedil;&otilde;es da EG/OMS    baseiam-se em evid&ecirc;ncias cient&iacute;ficas convincentes e criam oportunidades    para promover a sa&uacute;de e prevenir o crescimento da obesidade e das doen&ccedil;as    n&atilde;o transmiss&iacute;veis no pa&iacute;s e no mundo. A EG/OMS &eacute;    parte de um grande esfor&ccedil;o em prol da alimenta&ccedil;&atilde;o, atividade    f&iacute;sica e Sa&uacute;de P&uacute;blica.</font></p>     <p><font size="2" face="Verdana"><b>Palavras-chave:</b> alimenta&ccedil;&atilde;o    saud&aacute;vel; obesidade; atividade f&iacute;sica; doen&ccedil;as cr&ocirc;nicas.</font></p> <font size="2" face="Verdana"> <hr size="1" noshade></font>     <p><font size="2" face="Verdana"><b>SUMMARY</b></font></p>     <p><font size="2" face="Verdana">The current document analyzes the Global Strategy    on Diet, Physical Activity and Health of the World Health Organization (GS/WHO),    and is a response to the Brazilian Ministry of Health Directive n<sup>o</sup> 596/GM,    of 8th April 2004. The criteria proposed by the WHO Report 916 were adopted    to analyze the scientific evidence supporting each recommendation made by the    GS/WHO, which are categorized based on a classification system of: convincing,    probable, possible, and insufficient. The technical group analyzed the published    evidence supporting GS/WHO recommendations and classified them by consensus,    as proposed by WHO Report 916 criteria. Projections for the next decades point    to an epidemic of non-transmissible diseases &#8211; particularly cardiovascular    diseases, cancer and type 2 diabetes &#8211; in most developing countries. The    dietary transition, due to the observed increases in obesity, is one of the    most important reasons for this tendency. Recomendations by GS/WHO are based    on convincing scientific evidence and create opportunities for health promotion,    and for preventing of obesity and non-communicable diseases in the country and    worldwilde. The GS/WHO is part of a greater effort to realize the benefits of    diet, physical activity and public health.</font></p></p> <font size="2" face="Verdana"><b>Key-words:</b> diet; obesity; physical activity;  chronic diseases.</font> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>Introdu&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">O presente documento tem por finalidade proceder    &agrave; an&aacute;lise da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o,    Atividade F&iacute;sica e Sa&uacute;de da Organiza&ccedil;&atilde;o Mundial    da Sa&uacute;de<sup>1</sup> (EG/OMS), em resposta &agrave; demanda da Portaria    n<sup>o</sup> 596/GM, de 8 de abril de 2004, do Minist&eacute;rio da Sa&uacute;de.<sup>2</sup>    O documento re&uacute;ne e discute, principalmente, as evid&ecirc;ncias cient&iacute;ficas    relacionadas aos objetivos, metas e recomenda&ccedil;&otilde;es da EG/OMS contidas    no par&aacute;grafo 22, p&aacute;gina 10 da Estrat&eacute;gia, bem como a sua    pertin&ecirc;ncia para o Brasil. Ele &eacute; resultado da contribui&ccedil;&atilde;o    coletiva de especialistas nas &aacute;reas de Epidemiologia, Medicina e Nutri&ccedil;&atilde;o,    designados pela referida Portaria.</font></p>     <p><font size="2" face="Verdana">O in&iacute;cio do trabalho do grupo foi precedido    pela declara&ccedil;&atilde;o de inexist&ecirc;ncia de conflito de interesses    por parte dos autores. Realizou-se reuni&atilde;o com os seus componentes para    analisar as evid&ecirc;ncias cient&iacute;ficas que ap&oacute;iam o documento    da OMS e classific&aacute;-las por consenso, segundo os crit&eacute;rios utilizados    pelo grupo de peritos do relat&oacute;rio original.</font></p>     <p><font size="2" face="Verdana">A an&aacute;lise considerou que a Estrat&eacute;gia    Global &eacute; um instrumento de promo&ccedil;&atilde;o geral da sa&uacute;de    para popula&ccedil;&otilde;es e indiv&iacute;duos, n&atilde;o sendo uma prescri&ccedil;&atilde;o    de tratamento para grupos especiais de risco.</font></p>     <p><font size="2" face="Verdana"><b>An&aacute;lise: crit&eacute;rio para an&aacute;lise    da natureza das evid&ecirc;ncias necess&aacute;rias</b></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise das evid&ecirc;ncias sobre cada    recomenda&ccedil;&atilde;o determinou sua classifica&ccedil;&atilde;o em convincente,    prov&aacute;vel, poss&iacute;vel e insuficiente. Os n&iacute;veis de evid&ecirc;ncia    (NE) foram recomendados pelo Grupo de Peritos da OMS<sup>3</sup> envolvido na    revis&atilde;o da literatura para o Relat&oacute;rio 916, considerando, &quot;<i>em    termos ideais, a defini&ccedil;&atilde;o de um fator de risco ou de prote&ccedil;&atilde;o    deveria ser baseada em evid&ecirc;ncias derivadas de m&uacute;ltiplos ensaios    randomizados das interven&ccedil;&otilde;es sob estudo, em grupos representativos    das popula&ccedil;&otilde;es-alvo da recomenda&ccedil;&atilde;o, mas esse tipo    de evid&ecirc;ncia, muitas vezes, n&atilde;o se encontra dispon&iacute;vel</i>&quot;(<a href="#fig1">Figura    1</a>).</font></p>     <p><a name="fig1"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05f1.gif"></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Os crit&eacute;rios sugeridos pelo grupo de peritos    da OMS s&atilde;o adequados para operacionalizar a qualidade das evid&ecirc;ncias    dispon&iacute;veis. Vale salientar que a epidemiologia nutricional &eacute;    bastante complexa, sendo, muitas vezes, imposs&iacute;vel realizar estudos randomizados,    pelo menos em curto prazo. Um exemplo claro &eacute; o estudo do papel da nutri&ccedil;&atilde;o    intra-uterina e da vida precoce sobre a morbimortalidade na idade adulta, que    requer estudos de longa dura&ccedil;&atilde;o e de dif&iacute;cil implementa&ccedil;&atilde;o.    </font><font size="2" face="Verdana">Portanto, recomenda-se que resultados de    estudos observacionais, particularmente de coortes prospectivas, tamb&eacute;m    sejam valorizados ao estabelecer a for&ccedil;a das evid&ecirc;ncias existentes.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Cen&aacute;rio epidemiol&oacute;gico e oportunidade    de preven&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">O crescimento relativo e absoluto das doen&ccedil;as   cr&ocirc;nicas n&atilde;o transmiss&iacute;veis (DCNT), principalmente   das doen&ccedil;as do aparelho circulat&oacute;rio, neoplasias e   diabetes, expressa as intensas mudan&ccedil;as ocorridas nos   padr&otilde;es de adoecimento globais na segunda metade do   s&eacute;culo XX.<sup>4-6</sup> Segundo dados da OMS, as DCNT foram   respons&aacute;veis por 59% da mortalidade, cerca de 31,7   milh&otilde;es de &oacute;bitos e 43% da carga global de doen&ccedil;as   em 1998.<sup>7</sup> Os pa&iacute;ses em desenvolvimento respondem   por cerca de 78% da carga global de DCNT e 85% da   carga de doen&ccedil;as do aparelho circulat&oacute;rio.</font></p>     <p><font size="2" face="Verdana">No Brasil, as DCNT foram respons&aacute;veis    pela maior   parcela dos &oacute;bitos e das despesas com assist&ecirc;ncia   hospitalar no Sistema &Uacute;nico de Sa&uacute;de (SUS), totalizando   cerca de 69% dos gastos com aten&ccedil;&atilde;o &agrave;   sa&uacute;de em 2002. Desde a d&eacute;cada de 60, as doen&ccedil;as   cardiovasculares (DCV) lideram as causas de &oacute;bito   no pa&iacute;s. Atualmente, elas s&atilde;o a causa b&aacute;sica de morte   de cerca de dois ter&ccedil;os do total de &oacute;bitos com causas   conhecidas no pa&iacute;s.<sup>8</sup></font></p>     <p><font size="2" face="Verdana">As DCNT s&atilde;o de etiologia multifatorial    e compartilham v&aacute;rios fatores de riscos modific&aacute;veis, como o tabagismo,    a inatividade f&iacute;sica, a alimenta&ccedil;&atilde;o inadequada, a obesidade    e a dislipidemia.<sup>9</sup> Estudos epidemiol&oacute;gicos t&ecirc;m mostrado    que as doen&ccedil;as cardiovasculares, por exemplo, seriam uma causa relativamente    rara de morte na aus&ecirc;ncia dos principais fatores de risco.<sup>10</sup>    Stamler e colaboradores<sup>11</sup> mostraram que, aproximadamente, 75% dos casos novos    dessas doen&ccedil;as ocorridos nos pa&iacute;ses desenvolvidos, nas d&eacute;cadas    de 70 e 80, poderiam ser explicados por dieta e atividade f&iacute;sica inadequadas,    expressas por n&iacute;veis lip&iacute;dicos desfavor&aacute;veis, obesidade    e eleva&ccedil;&atilde;o da press&atilde;o arterial associados ao h&aacute;bito    de fumar.</font></p>     <p><font size="2" face="Verdana">Proje&ccedil;&otilde;es para as pr&oacute;ximas    d&eacute;cadas indicam um crescimento epid&ecirc;mico das DCNT na maioria dos    pa&iacute;ses em desenvolvimento, particularmente das doen&ccedil;as cardiovasculares    e diabetes tipo 2. Os principais determinantes desse crescimento s&atilde;o:    a) aumento na intensidade e freq&uuml;&ecirc;ncia da exposi&ccedil;&atilde;o    aos principais fatores de risco para essas doen&ccedil;as;<sup>12</sup> b) mudan&ccedil;a    na pir&acirc;mide demogr&aacute;fica, com n&uacute;mero maior de pessoas alcan&ccedil;ando    as idades onde essas doen&ccedil;as se manifestam com maior freq&uuml;&ecirc;ncia;    e c) aumento da longevidade, com per&iacute;odos mais longos de exposi&ccedil;&atilde;o    aos fatores de risco e maior probabilidade de manifesta&ccedil;&atilde;o cl&iacute;nica    das doen&ccedil;as cardiovasculares. A transi&ccedil;&atilde;o nutricional em    curso na maioria dos pa&iacute;ses em desenvolvimento, junto com o aumento expressivo    da obesidade e mesmo sua coexist&ecirc;ncia com o baixo peso, constitui um dos    fatores mais importantes para explicar o aumento da carga das DCNT nesses pa&iacute;ses.<sup>8</sup></font></p>     <p><font size="2" face="Verdana">O compartilhamento de fatores de risco, somado   &agrave; urg&ecirc;ncia em deter o crescimento das DCNT no pa&iacute;s,   justifica a ado&ccedil;&atilde;o de estrat&eacute;gias integradas e sustent&aacute;veis   de preven&ccedil;&atilde;o e controle dessas doen&ccedil;as assentadas   nos seus principais fatores de risco modific&aacute;veis &#8211; tabagismo,   inatividade f&iacute;sica e alimenta&ccedil;&atilde;o inadequada.   A aprova&ccedil;&atilde;o e a implementa&ccedil;&atilde;o da Conven&ccedil;&atilde;o-Quadro   para controle do tabagismo da OMS representa um   importante avan&ccedil;o no sentido da redu&ccedil;&atilde;o da morbidade   e da mortalidade associadas ao tabagismo,   a m&eacute;dio e longo prazos, no mundo. A aprova&ccedil;&atilde;o e   implementa&ccedil;&atilde;o da EG/OMS complementa e refor&ccedil;a a   decis&atilde;o j&aacute; tomada de preven&ccedil;&atilde;o integrada das DCNT,   ao abordar a preven&ccedil;&atilde;o da alimenta&ccedil;&atilde;o inadequada    e   a inatividade f&iacute;sica.</font></p>     <p><font size="2" face="Verdana">Experi&ecirc;ncias de sucesso de interven&ccedil;&otilde;es    de Sa&uacute;de P&uacute;blica com revers&atilde;o e com mudan&ccedil;as positivas    nas tend&ecirc;ncias de morbimortalidade por doen&ccedil;as cardiovasculares,    em diversos pa&iacute;ses, mostram que alguns aspectos s&atilde;o cruciais para    o desenvolvimento de estrat&eacute;gias efetivas de promo&ccedil;&atilde;o da    sa&uacute;de na popula&ccedil;&atilde;o geral:<sup>13-20</sup></font></p>     <p><font size="2" face="Verdana">- a maioria dos fatores de risco opera durante    o curso de vida dos indiv&iacute;duos, em intensidades vari&aacute;veis;</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">- mudan&ccedil;as positivas no estilo de vida    t&ecirc;m retorno direto sobre a sa&uacute;de, em qualquer est&aacute;gio da    vida ou condi&ccedil;&atilde;o preexistente de sa&uacute;de;</font></p>     <p><font size="2" face="Verdana">- a simples difus&atilde;o de conhecimento &eacute;    um fator insuficiente para mudan&ccedil;as sustent&aacute;veis no estilo de    vida e h&aacute;bitos da popula&ccedil;&atilde;o e dos setores envolvidos com    a presta&ccedil;&atilde;o de servi&ccedil;os em sa&uacute;de, no pa&iacute;s;</font></p>     <p><font size="2" face="Verdana">- o comportamento e o estilo de vida dos indiv&iacute;duos    e grupos sociais s&atilde;o largamente determinados pelo ambiente f&iacute;sico,    socioecon&ocirc;mico e cultural;</font></p>     <p><font size="2" face="Verdana">- medidas de interven&ccedil;&atilde;o comunit&aacute;ria    para mudan&ccedil;as no estilo de vida e ado&ccedil;&atilde;o de padr&otilde;es    mais saud&aacute;veis devem ser sustent&aacute;veis no longo prazo, ademais    de incluir todos os grupos sociais e por idades, especialmente aqueles com menores    possibilidades de escolha em raz&atilde;o da pobreza e da exclus&atilde;o social;    e</font></p>     <p><font size="2" face="Verdana">- interven&ccedil;&otilde;es sustent&aacute;veis    necessitam da parceria dos atores sociais e econ&ocirc;micos, locais e nacionais,    que, direta ou indiretamente, determinam ou condicionam o modo de vida dos indiv&iacute;duos    e grupos segundo o g&ecirc;nero e as diversas idades, ambientes, profiss&otilde;es    e culturas.</font></p>     <p><font size="2" face="Verdana">Concluindo, o momento das transi&ccedil;&otilde;es    epidemiol&oacute;gica, demogr&aacute;fica e nutricional por que passa o pa&iacute;s    pode ser encarado como uma janela aberta &agrave;s oportunidades para desenvolver    estrat&eacute;gias efetivas e sustent&aacute;veis de promo&ccedil;&atilde;o    da sa&uacute;de, da preven&ccedil;&atilde;o e controle integrados dos principais    fatores de risco comuns.</font></p>     <p><font size="2" face="Verdana">A efetividade de pol&iacute;ticas de promo&ccedil;&atilde;o    de vida saud&aacute;vel requer a participa&ccedil;&atilde;o dos diversos setores    e atores sociais respons&aacute;veis e comprometidos com a sa&uacute;de e a    qualidade de vida da popula&ccedil;&atilde;o brasileira.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Transi&ccedil;&atilde;o alimentar e nutricional    no Brasil</b></font></p>     <p><font size="2" face="Verdana">As evid&ecirc;ncias sobre a evolu&ccedil;&atilde;o    da disponibilidade de alimentos no Brasil indicam que a transi&ccedil;&atilde;o    alimentar no pa&iacute;s tem sido, de modo geral, favor&aacute;vel do ponto    de vista dos problemas associados &agrave; subnutri&ccedil;&atilde;o (aumento    na disponibilidade de calorias <i>per capita</i> e aumento da participa&ccedil;&atilde;o    de alimentos de origem animal na alimenta&ccedil;&atilde;o) e desfavor&aacute;vel    no que se refere &agrave; obesidade e &agrave;s demais DCNT (aumento da participa&ccedil;&atilde;o    na ingest&atilde;o de gorduras em geral, gorduras de origem animal e a&ccedil;&uacute;car;    e diminui&ccedil;&atilde;o no consumo de cereais, leguminosas e frutas, verduras    e legumes). Ainda que incompletas, as evid&ecirc;ncias quanto a padr&otilde;es    de atividade f&iacute;sica apontam para um baixo gasto energ&eacute;tico e para    o crescimento do sedentarismo. A evolu&ccedil;&atilde;o do estado nutricional    da popula&ccedil;&atilde;o brasileira, por sua vez, &eacute; indicativa de um    importante aumento do sobrepeso com tend&ecirc;ncia especialmente preocupante    entre as crian&ccedil;as em idade escolar e os adolescentes, bem como nos estratos    de baixa renda.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o alimentar</b></font></p>     <p><font size="2" face="Verdana">As informa&ccedil;&otilde;es e os coment&aacute;rios,    apresentados a seguir, referem-se &agrave; estimativa da disponibilidade de    alimentos para consumo humano no Brasil, no per&iacute;odo 1965-1997. Essas    estimativas s&atilde;o produzidas pelo sistema FAOSTAT &#91;FAO Statistical    Database, da Food and Agriculture Organization (FAO)/Organiza&ccedil;&atilde;o    das Na&ccedil;&otilde;es Unidas (ONU)&#93;, a partir de dados sobre a produ&ccedil;&atilde;o,    exporta&ccedil;&atilde;o e importa&ccedil;&atilde;o de alimentos e descontadas    as estimativas de desperd&iacute;cio e as fra&ccedil;&otilde;es dos alimentos    utilizadas na alimenta&ccedil;&atilde;o animal, na ind&uacute;stria ou como    semente.<sup>21</sup></font></p>     <p><font size="2" face="Verdana">Nota-se, inicialmente, que a disponibilidade    total de alimentos no Brasil vem aumentando nas &uacute;ltimas d&eacute;cadas,    sendo de 2.330 kcal por pessoa/dia em 1965 e de 2.960 kcal por pessoa/dia em    1997. Esse aumento observado ultrapassou o aumento correspondente nos requerimentos    m&eacute;dios di&aacute;rios de energia estimados para a popula&ccedil;&atilde;o    brasileira: 2.096 kcal em 1965 e 2.328 kcal em 1997. As principais modifica&ccedil;&otilde;es    na composi&ccedil;&atilde;o da disponibilidade alimentar foram o aumento na    participa&ccedil;&atilde;o relativa de gorduras (de 15,7% para 24,9% das calorias    totais) e a diminui&ccedil;&atilde;o na participa&ccedil;&atilde;o relativa    de carboidratos (de 73,7% para 64,5% das calorias totais). A participa&ccedil;&atilde;o    de prote&iacute;nas na oferta alimentar manteve-se constante no per&iacute;odo    (em torno de 10% das calorias totais), ainda que venha crescendo, continuamente,    a propor&ccedil;&atilde;o de prote&iacute;na de origem animal no total de prote&iacute;nas    (32% em 1965 e 51% em 1997).<sup>21</sup></font></p>     <p><font size="2" face="Verdana">V&ecirc;-se, desde logo, que n&atilde;o parece    haver problemas com a quantidade m&eacute;dia de alimentos dispon&iacute;vel    para consumo humano no pa&iacute;s. J&aacute; em 1965, a quantidade m&eacute;dia    de alimentos dispon&iacute;vel para cada brasileiro excedia em mais de 10% os    requerimentos m&eacute;dios em energia. Em 1997, essa margem de seguran&ccedil;a    passou a 25%. Observe-se que, embora estejamos lidando com valores m&eacute;dios,    que ignoram a distribui&ccedil;&atilde;o individual real dos alimentos, h&aacute;    limites biol&oacute;gicos estreitos para o consumo de calorias. Assim, o excesso    m&eacute;dio de 25% no total de calorias dispon&iacute;veis para consumo indica    que o pa&iacute;s ocupa uma situa&ccedil;&atilde;o confort&aacute;vel, relativamente,    no que diz respeito &agrave; disponibilidade quantitativa de alimentos. Da mesma    forma, n&atilde;o parece haver problemas com a propor&ccedil;&atilde;o de prote&iacute;nas    na alimenta&ccedil;&atilde;o, que se mant&eacute;m dentro da faixa recomendada    (10-15%); ademais, a propor&ccedil;&atilde;o de prote&iacute;nas de origem animal    (as de maior valor biol&oacute;gico) tem crescido substancialmente, j&aacute;    significando 50% do total das prote&iacute;nas dispon&iacute;veis. A not&aacute;vel    substitui&ccedil;&atilde;o de carboidratos por gorduras na disponibilidade alimentar    brasileira n&atilde;o deve representar problema para as modalidades de subnutri&ccedil;&atilde;o    (ao contr&aacute;rio, pode ser vantajosa, sobretudo no caso da defici&ecirc;ncia    energ&eacute;tica), mas, certamente, &eacute; desvantajosa para a maioria das    DCNT, especialmente se a diminui&ccedil;&atilde;o de carboidratos estiver ocorrendo    por conta de carboidratos complexos. Note-se que a propor&ccedil;&atilde;o de    24,9% de gorduras na disponibilidade de alimentos ainda se encontra dentro da    faixa recomendada para a ingest&atilde;o desse nutriente (15-30%), mas a tend&ecirc;ncia    &eacute;, inequivocamente, de aumento. Infelizmente, a FAO/ONU n&atilde;o fornece    informa&ccedil;&otilde;es sobre a propor&ccedil;&atilde;o de gorduras saturadas    na disponibilidade total de alimentos.</font></p>     <p><font size="2" face="Verdana">A evolu&ccedil;&atilde;o da disponibilidade relativa    de grupos espec&iacute;ficos de alimentos nas &uacute;ltimas tr&ecirc;s d&eacute;cadas    acrescenta informa&ccedil;&otilde;es importantes para situar a oferta de alimentos    no Brasil. As maiores mudan&ccedil;as entre 1965 e 1997 foram: a) redu&ccedil;&atilde;o    na disponibilidade de cereais (de 36% para 31%); b) redu&ccedil;&atilde;o na    disponibilidade de leguminosas (de 12% para 6%); c) aumento na disponibilidade    de a&ccedil;&uacute;car (16% para 19%); d) aumento na disponibilidade de carnes    (de 5% para 11%); e) aumento na disponibilidade de &oacute;leos vegetais (de    4% para 11%); e f) aumento na disponibilidade de leite e ovos (de 6% para 8%).    Repetindo o que hav&iacute;amos visto no caso da evolu&ccedil;&atilde;o da disponibilidade    relativa de gorduras, as modifica&ccedil;&otilde;es na evolu&ccedil;&atilde;o    da disponibilidade dos principais grupos de alimentos podem, em alguns aspectos,    serem consideradas favor&aacute;veis com rela&ccedil;&atilde;o a modalidades    de subnutri&ccedil;&atilde;o (particularmente decorrentes do aumento no consumo    de produtos animais), mas se apresentam totalmente desfavor&aacute;veis com    rela&ccedil;&atilde;o &agrave;s DCNT. Essas modifica&ccedil;&otilde;es permitem    inferir uma queda substancial na disponibilidade relativa de carboidratos complexos,    um aumento igualmente substancial na propor&ccedil;&atilde;o de gorduras totais    (j&aacute; observado anteriormente), al&eacute;m do evidenciado aumento na disponibilidade    de a&ccedil;&uacute;car. Note-se que a disponibilidade relativa alcan&ccedil;ada    por esse alimento (19% das calorias totais) excede em quase 100% os valores    m&aacute;ximos recomendados para o seu consumo (10%).<sup>3</sup></font></p>     <p><font size="2" face="Verdana">Estimativas produzidas por estes autores, a partir   das Pesquisas de Or&ccedil;amento Familiar (POF) realizadas   pela Funda&ccedil;&atilde;o Instituto Brasileiro de Geografia e Estat&iacute;stica   (IBGE) nas &aacute;reas metropolitanas brasileiras, no   in&iacute;cio da d&eacute;cada de 60 e em meados das d&eacute;cadas de   80 e 90, confirmam as caracter&iacute;sticas desfavor&aacute;veis da   evolu&ccedil;&atilde;o do consumo alimentar no que diz respeito &agrave;s   DCNT, indicando tend&ecirc;ncias de redu&ccedil;&atilde;o no consumo   relativo de cereais e de leguminosas e crescimento no   consumo relativo de a&ccedil;&uacute;car, carne, leite e derivados e   gorduras em geral.</font></p>     <p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o em padr&otilde;es    de atividade f&iacute;sica</b></font></p>     <p><font size="2" face="Verdana">Informa&ccedil;&otilde;es de car&aacute;ter nacional    sobre padr&otilde;es de atividade f&iacute;sica no Brasil restringem-se a um    &uacute;nico inqu&eacute;rito realizado pelo IBGE em 1996/97, nas regi&otilde;es    Nordeste e Sudeste &#91;Pesquisa sobre Padr&otilde;es de Vida (PPV)&#93;.<sup>22</sup></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise dos dados colhidos por essa    pesquisa   evidenciou que apenas uma minoria dos indiv&iacute;duos   adultos (13%) pratica atividade f&iacute;sica no lazer com   alguma regularidade (30 minutos di&aacute;rios, pelo menos   uma vez por semana), sendo muito reduzida (3,3%)   a propor&ccedil;&atilde;o daqueles que seguem a recomenda&ccedil;&atilde;o   de acumular, como m&iacute;nimo, 30 minutos di&aacute;rios de   atividades f&iacute;sicas em cinco ou mais dias da semana.   Mostrou-se, tamb&eacute;m, que homens e mulheres apresentam   diferen&ccedil;as quanto &agrave; freq&uuml;&ecirc;ncia e padr&otilde;es de   atividade f&iacute;sica no lazer.<sup>22</sup></font></p>     <p><font size="2" face="Verdana"><b>A transi&ccedil;&atilde;o nutricional</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Obesidade e demais doen&ccedil;as cr&ocirc;nicas    relacionadas &agrave; nutri&ccedil;&atilde;o &#8211; a quest&atilde;o das DCNT</b></font></p>     <p><font size="2" face="Verdana">Inqu&eacute;ritos antropom&eacute;tricos de abrang&ecirc;ncia    nacional   e regional permitem avaliar, de modo bastante   razo&aacute;vel, a presen&ccedil;a e a tend&ecirc;ncia secular da obesidade   no Brasil. Segundo o inqu&eacute;rito antropom&eacute;trico mais   recente, restrito &agrave;s regi&otilde;es Nordeste e Sudeste (PPV-   1996/97), seriam 10% os adultos obesos no Brasil,<sup>23</sup>   preval&ecirc;ncia bastante distante dos cerca de um ter&ccedil;o   de obesos existentes nos Estados Unidos da Am&eacute;rica   (EUA), mas cerca de 20 a 30% superior &agrave; observada   em v&aacute;rios paises desenvolvidos como a Fran&ccedil;a, a Holanda   e a Su&eacute;cia &#8211; e quatro vezes superior &agrave; preval&ecirc;ncia   da obesidade no Jap&atilde;o.<sup>24</sup> Tend&ecirc;ncias cont&iacute;nuas de   aumento da obesidade v&ecirc;m sendo observadas em todos   os estratos socioecon&ocirc;micos e geogr&aacute;ficos da popula&ccedil;&atilde;o   adulta brasileira, com a exce&ccedil;&atilde;o da popula&ccedil;&atilde;o   feminina adulta de maior renda da Regi&atilde;o Sudeste do   pa&iacute;s, onde, recentemente, parece ter havido decl&iacute;nio   do problema. De fato, as tend&ecirc;ncias de aumento da   obesidade t&ecirc;m-se mostrado mais acentuadas nos estratos   populacionais de menor renda; por outro lado,   observa-se a diminui&ccedil;&atilde;o do excesso de obesidade dos   estratos de maior renda. No caso espec&iacute;fico da popula&ccedil;&atilde;o   adulta feminina da Regi&atilde;o Sudeste, a preval&ecirc;ncia   da obesidade no estrato correspondente aos 25% de   menor renda familiar (14%) j&aacute; &eacute; duas vezes superior   &agrave; preval&ecirc;ncia no estrato dos 25% de maior renda   (7%).<sup>22</sup> Aumentos ainda mais r&aacute;pidos na preval&ecirc;ncia   de indicadores de sobrepeso foram observados na   popula&ccedil;&atilde;o brasileira de crian&ccedil;as entre 6 e 17 anos de   idade, sendo que apenas a popula&ccedil;&atilde;o pr&eacute;-escolar ainda   parece protegida contra a obesidade no pa&iacute;s.<sup>25,26</sup></font></p>     <p><font size="2" face="Verdana"><b>Alimenta&ccedil;&atilde;o no curso de vida</b></font></p>     <p><font size="2" face="Verdana">O enfoque do curso de vida &eacute; essencial    para compreender como interven&ccedil;&otilde;es nutricionais podem contribuir    para a preven&ccedil;&atilde;o de DCNT. Esse enfoque, desenvolvido nas &uacute;ltimas    duas d&eacute;cadas a partir de estudos de coortes em diversos pa&iacute;ses,<sup>27</sup>    inclusive no Brasil,<sup>28</sup> sugere que exposi&ccedil;&otilde;es nutricionais,    ambientais e padr&otilde;es de crescimento durante a vida intra-uterina e nos    primeiros anos de vida podem ter efeitos importantes sobre as condi&ccedil;&otilde;es    de sa&uacute;de do adulto.<sup>29</sup> Por exemplo, o retardo de crescimento    intra-uterino e o ganho de peso excessivo nos primeiros anos de vida t&ecirc;m    sido associados a obesidade,<sup>30-32</sup> hipertens&atilde;o,<sup>33</sup>    s&iacute;ndrome metab&oacute;lica,<sup>34</sup> resist&ecirc;ncia insul&iacute;nica<sup>35</sup>    e morbimortalidade cardiovascular,<sup>36,37</sup> entre outros desfechos desfavor&aacute;veis.    Assim, a nutri&ccedil;&atilde;o adequada de gestantes e lactentes deve fazer    parte integrante das estrat&eacute;gias nutricionais para adultos.</font></p>     <p><font size="2" face="Verdana">Conforme estabelecido por pesquisas em diversos    pa&iacute;ses, inclusive no Brasil, o aleitamento materno exclusivo &eacute;    o modo ideal de alimenta&ccedil;&atilde;o do lactente at&eacute; os seis meses    de vida.<sup>38</sup></font></p>     <p><font size="2" face="Verdana">A continuidade do aleitamento at&eacute; os 24    meses &eacute; igualmente importante. Entre outras vantagens, o aleitamento    materno confere importante prote&ccedil;&atilde;o contra a morbimortalidade    por doen&ccedil;as infecciosas nos primeiros anos de vida,<sup>39</sup> sendo    reconhecido como o fator preventivo mais importante, potencialmente, para a    redu&ccedil;&atilde;o da mortalidade infantil no mundo.<sup>40</sup></font></p>     <p><font size="2" face="Verdana">Uma quest&atilde;o importante diz respeito aos    efeitos de longo prazo do aleitamento materno. Uma recente metan&aacute;lise    mostrou que crian&ccedil;as amamentadas tendem a apresentar menor preval&ecirc;ncia    de obesidade na inf&acirc;ncia e, possivelmente, na adolesc&ecirc;ncia,<sup>41</sup>    embora n&atilde;o esteja claro se esse efeito se prolonga at&eacute; a idade    adulta.<sup>42-47</sup> Diversos estudos avaliaram se o aleitamento materno    tamb&eacute;m estaria associado &agrave; ocorr&ecirc;ncia de outras DCNT na    idade adulta,<sup>48-57</sup> como o diabetes tipo 2 e a hipertens&atilde;o;    ou contra fatores de risco, como os n&iacute;veis de colesterol no soro. Entretanto,    as evid&ecirc;ncias sobre essas poss&iacute;veis associa&ccedil;&otilde;es ainda    n&atilde;o s&atilde;o conclusivas. &Eacute; importante salientar que a pesquisa    sobre o ciclo vital, particularmente em pa&iacute;ses em desenvolvimento, ainda    est&aacute; em sua inf&acirc;ncia, e que a aus&ecirc;ncia de evid&ecirc;ncias    conclusivas n&atilde;o constitui, necessariamente, evid&ecirc;ncia de aus&ecirc;ncia    de efeito.</font></p>     <p><font size="2" face="Verdana">Sendo assim, com base em vastos resultados de    estudos j&aacute; realizados, tanto em pa&iacute;ses em desenvolvimento quanto    nos desenvolvidos, entende-se que a alimenta&ccedil;&atilde;o saud&aacute;vel    come&ccedil;a com o aleitamento materno, exclusivamente oferecido at&eacute;    os 6 meses de idade e complementado a partir da&iacute;, at&eacute; os 2 anos    de idade da crian&ccedil;a, com o objetivo de ampliar a disponibilidade de energia    e de micronutrientes na alimenta&ccedil;&atilde;o, particularmente de ferro.<sup>58,59</sup></font></p>     <p><font size="2" face="Verdana">Crian&ccedil;as n&atilde;o amamentadas tendem    a apresentar crescimento mais r&aacute;pido, a partir dos tr&ecirc;s e quatro    meses de vida, comparadas &agrave;s crian&ccedil;as amamentadas exclusivamente.<sup>60,61</sup>    A partir dos seis meses de vida, crian&ccedil;as amamentadas necessitam receber    alimentos complementares ricos em prote&iacute;nas e micronutrientes. A ingest&atilde;o    de alimentos complementares com alta densidade energ&eacute;tica tem sido recomendada    em pa&iacute;ses em desenvolvimento, para acelerar o ganho de peso de crian&ccedil;as    sob risco de desnutri&ccedil;&atilde;o.<sup>62</sup> Embora a literatura espec&iacute;fica    sobre o tema seja limitada, um ensaio randomizado brasileiro mostrou que o uso    de alimentos complementares com alta densidade energ&eacute;tica resultou em    aumento no ganho de peso em crian&ccedil;as de 12 a 18 meses de idade.<sup>63</sup>    Contudo, &eacute; importante contextualizar essa recomenda&ccedil;&atilde;o.    Por exemplo, &eacute; recomend&aacute;vel a ingest&atilde;o de alimentos complementares    com alta densidade energ&eacute;tica em grupos espec&iacute;ficos de crian&ccedil;as    brasileiras que apresentam alto risco de d&eacute;ficit de peso para a idade    &#8211; por exemplo, crian&ccedil;as residentes em &aacute;reas pobres das regi&otilde;es    Nordeste e Norte. Devido &agrave; r&aacute;pida transi&ccedil;&atilde;o nutricional    que afeta grande parte da popula&ccedil;&atilde;o brasileira e latino-americana,    n&atilde;o &eacute; razo&aacute;vel recomendar, indiscriminadamente, que as    dietas infantis sejam acrescidas de quantidades adicionais de &oacute;leos ou    a&ccedil;&uacute;car. O aumento expressivo na preval&ecirc;ncia da obesidade    infantil, particularmente em &aacute;reas das regi&otilde;es Sul e Sudeste,    sugere que o consumo de tais alimentos deveria ser desencorajado.<sup>23</sup></font></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>Recomenda&ccedil;&otilde;es da estrat&eacute;gia    global relativas &agrave; alimenta&ccedil;&atilde;o: considera&ccedil;&otilde;es,    bases cient&iacute;ficas</b></font></p>     <p><font size="2" face="Verdana"><b>Alcan&ccedil;ar balan&ccedil;o energ&eacute;tico    e peso saud&aacute;vel</b></font></p>     <p><font size="2" face="Verdana">O crescimento da incid&ecirc;ncia de DCNT observado    nas &uacute;ltimas d&eacute;cadas relaciona-se, em grande parte, com os h&aacute;bitos    de vida adquiridos nesse per&iacute;odo. Entre eles, destacam-se os comportamentos    que desequilibram o balan&ccedil;o energ&eacute;tico, induzindo ganho excessivo    de peso. Estima-se que, para cada 5% de aumento de peso acima daquele apresentado    aos 20 anos de idade, ocorre um aumento de 200% no risco de desenvolver a s&iacute;ndrome    metab&oacute;lica na meia idade.<sup>64</sup> Esse complexo metab&oacute;lico,    inflamat&oacute;rio e hemodin&acirc;mico, por sua vez, est&aacute; associado    ao desenvolvimento da doen&ccedil;a cardiovascular e de DCNT.<sup>65-67</sup></font></p>     <p><font size="2" face="Verdana">O princ&iacute;pio fundamental para manter um    balan&ccedil;o energ&eacute;tico &eacute; que as mudan&ccedil;as nos dep&oacute;sitos    energ&eacute;ticos se equilibrem com a diferen&ccedil;a entre ingest&atilde;o    energ&eacute;tica e gasto energ&eacute;tico. Se a ingest&atilde;o excede o gasto,    ocorre um desequil&iacute;brio positivo, com deposi&ccedil;&atilde;o energ&eacute;tica    e tend&ecirc;ncia ao ganho de peso; quando a ingest&atilde;o &eacute; inferior    ao gasto, ocorre um desequil&iacute;brio negativo, com deple&ccedil;&atilde;o    dos dep&oacute;sitos energ&eacute;ticos e tend&ecirc;ncia &agrave; perda de    peso. Em circunst&acirc;ncias normais, o balan&ccedil;o energ&eacute;tico oscila    ao longo do dia e de um dia para o outro, sem, contudo, levar a uma mudan&ccedil;a    duradoura do balan&ccedil;o energ&eacute;tico ou do peso corporal. Isso porque    mecanismos fisiol&oacute;gicos m&uacute;ltiplos determinam mudan&ccedil;as coordenadas    entre ingest&atilde;o e gasto energ&eacute;tico, regulando o peso corporal em    torno de um ponto de ajuste que mant&eacute;m o peso est&aacute;vel.</font></p>     <p><font size="2" face="Verdana">A ingest&atilde;o di&aacute;ria &eacute; definida    pelo valor energ&eacute;tico total (VET), expresso em Kj &#91;ou o valor cal&oacute;rico    total (VCT), expresso em kcal&#93;, que compreende a energia di&aacute;ria total    consumida em forma de alimento ou bebida e que pode ser metabolizada pelo corpo.    A gordura produz mais energia por grama de peso (9kcal/g) do que os carboidratos    (4kcal/g), as prote&iacute;nas (4kcal/g) e o &aacute;lcool (7kcal/g). As fibras    contribuem com 1,5kcal/g, energia resultante de &aacute;cidos graxos vol&aacute;teis    produzidos no c&oacute;lon a partir da degrada&ccedil;&atilde;o bacteriana.<sup>24</sup></font></p>     <p><font size="2" face="Verdana">O gasto energ&eacute;tico do indiv&iacute;duo    comp&otilde;e-se da taxa metab&oacute;lica basal, do gasto energ&eacute;tico    para metabolizar e armazenar o alimento, do efeito t&eacute;rmico da atividade    f&iacute;sica e da termog&ecirc;nese adaptativa, que varia em resposta &agrave;    ingest&atilde;o cal&oacute;rica cr&ocirc;nica (aumenta com o aumento da ingest&atilde;o    cal&oacute;rica). O efeito t&eacute;rmico da atividade f&iacute;sica deve ser    abordado sob dois aspectos/componentes, a termog&ecirc;nese de <b>atividades    n&atilde;o ligadas ao exerc&iacute;cio f&iacute;sico</b> e a termog&ecirc;nese    de <b>atividades ligadas ao exerc&iacute;cio</b>.</font></p>     <p><font size="2" face="Verdana">A defini&ccedil;&atilde;o de um peso saud&aacute;vel    ainda &eacute; tema controverso, mas a tend&ecirc;ncia &eacute; defini-lo a    partir da rela&ccedil;&atilde;o entre o &iacute;ndice de massa corporal (IMC),    uma fun&ccedil;&atilde;o do peso pela altura ao quadrado, e desfechos de sa&uacute;de    como mortalidade geral, doen&ccedil;a cardiovascular, etc. A OMS recomenda para    a popula&ccedil;&atilde;o uma mediana de IMC entre 21 e 23kg/m<sup>2</sup>.    Para indiv&iacute;duos, a faixa recomendada &eacute; de 18,5 a 24,9kg/m<sup>2</sup>,    evitando ganhos de peso maiores do que 5kg na vida adulta.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">Dois problemas atuais precisam ser enfrentados    diretamente: o aumento do consumo de alimentos industrializados, normalmente    ricos em gorduras hidrogenadas e carboidratos simples e pobres em carboidratos    complexos; e o decl&iacute;nio do gasto energ&eacute;tico associado ao transporte    motorizado, &agrave; mecaniza&ccedil;&atilde;o do trabalho e a outros aspectos    do desenvolvimento tecnol&oacute;gico. A seguir, s&atilde;o discutidas recomenda&ccedil;&otilde;es    de mudan&ccedil;as de comportamentos ligados a essa problem&aacute;tica, para    preven&ccedil;&atilde;o da obesidade, apresentando as evid&ecirc;ncias que as    ap&oacute;iam.</font></p>     <p><font size="2" face="Verdana"><b>Redu&ccedil;&atilde;o de alimentos    de alta densidade cal&oacute;rica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Alimentos de alta densidade cal&oacute;rica promovem    ganho de peso. Esses alimentos, ricos em gorduras, carboidratos simples ou amido,    s&atilde;o, em geral, altamente processados e pobres em micronutrientes. Em    oposi&ccedil;&atilde;o a eles, est&atilde;o os alimentos de baixa densidade    cal&oacute;rica, ricos em &aacute;gua, como frutas, verduras e legumes. Teoriza-se    que alimentos com densidade energ&eacute;tica muito elevada promoveriam um &quot;superconsumo    passivo&quot; de energia total. Estudos que manipularam, de forma mascarada    (cega), o conte&uacute;do lip&iacute;dico e a densidade energ&eacute;tica de    alimentos ap&oacute;iam essa hip&oacute;tese, mas o mascaramento nesses tipos    de estudos &eacute; limitado e &eacute; poss&iacute;vel que outros efeitos n&atilde;o    fisiol&oacute;gicos tenham influenciado esses resultados.<sup>68</sup> Tem sido    proposto, igualmente, que humanos seriam capazes de reconhecer alimentos de    alta densidade energ&eacute;tica, diminuindo sua ingest&atilde;o para manter    sua homeostase energ&eacute;tica; contudo, a ingest&atilde;o de alimentos de    excepcional densidade energ&eacute;tica, t&iacute;picos oferecidos por servi&ccedil;os    de <i>fast food</i>, burlaria esse controle do apetite, permitindo a ingest&atilde;o    energ&eacute;tica excessiva e o desenvolvimento de obesidade.<sup>69</sup> N&atilde;o    h&aacute; evid&ecirc;ncia de que alimentos ricos em gordura mere&ccedil;am maior    aten&ccedil;&atilde;o na preven&ccedil;&atilde;o da obesidade do que outros    alimentos com alta densidade energ&eacute;tica, como aqueles ricos em amido    ou carboidratos simples.<sup>70,71</sup></font></p>     <p><font size="2" face="Verdana"><b>Aumento regular da atividade f&iacute;sica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">H&aacute; evid&ecirc;ncia convincente de que    a atividade f&iacute;sica regular protege contra o ganho excessivo de peso,    enquanto os h&aacute;bitos sedent&aacute;rios, especialmente as ocupa&ccedil;&otilde;es    e recrea&ccedil;&otilde;es sedent&aacute;rias, promovem-no. Revis&atilde;o sistem&aacute;tica    demonstrou que pessoas que exercem atividade f&iacute;sica regular em quantidades    moderadas a grandes apresentam menor ganho de peso e menor ocorr&ecirc;ncia    de sobrepeso e obesidade.<sup>72</sup> Os resultados de ensaios cl&iacute;nicos    randomizados s&atilde;o conflitantes, provavelmente pela diferen&ccedil;a na    ader&ecirc;ncia ao exerc&iacute;cio de moderada a grande intensidade no longo    prazo. Al&eacute;m disso, a recomenda&ccedil;&atilde;o geral para adultos realizarem    atividades de moderada a grande intensidade por 30 minutos, de prefer&ecirc;ncia    todos os dias, mesmo que eficaz na preven&ccedil;&atilde;o da doen&ccedil;a    cardiovascular, parece ser insuficiente para muitos indiv&iacute;duos prevenirem    ganho de peso.<sup>73</sup> A preven&ccedil;&atilde;o de recobro de peso em    obesos pr&eacute;vios com atividades de intensidade moderada pode requerer 60    a 90 minutos di&aacute;rios (ou menos, quando de grande intensidade).<sup>73</sup>    Mesmo na aus&ecirc;ncia de evid&ecirc;ncias conclusivas, estabeleceu-se que    a transi&ccedil;&atilde;o de sobrepeso a obesidade pode ser prevenida com atividades    de moderada intensidade, de 45 a 60 minutos por dia.</font></p>     <p><font size="2" face="Verdana">Isso ilustra a import&acirc;ncia de manter o    balan&ccedil;o energ&eacute;tico e o peso adequado. Para tanto, desde cedo na    vida, deve-se reduzir os h&aacute;bitos sedent&aacute;rios, incorporando atividades    novas no dia-a-dia e na recrea&ccedil;&atilde;o. Isso requer decis&otilde;es    pol&iacute;ticas sobre o ambiente social e f&iacute;sico que promovam essas    mudan&ccedil;as, sejam elas na infra-estrutura urbana, na escola ou no trabalho.</font></p>     <p><font size="2" face="Verdana"><b>Aumento da ingest&atilde;o de fibras</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">As fibras atuam na regula&ccedil;&atilde;o do    peso corporal, o que pode ser explicado pelos seguintes fatores:<sup>74</sup>    apresentam menor palatabilidade; constituem barreira para a digest&atilde;o    de outros carboidratos; e s&atilde;o fermentadas por bact&eacute;rias no c&oacute;lon,    resultando na libera&ccedil;&atilde;o de &aacute;cidos graxos de cadeia curta    na circula&ccedil;&atilde;o-porta, os quais afetam a homeostase da glicose hep&aacute;tica.</font></p>     <p><font size="2" face="Verdana">S&atilde;o alimentos de baixo valor energ&eacute;tico    que constituem grande parte do volume alimentar. Como as pessoas tendem a consumir    quantidades fixas de alimentos, uma grande quantidade de alimentos de baixo    valor energ&eacute;tico dificulta a ingest&atilde;o energ&eacute;tica excessiva.    Ensaios cl&iacute;nicos randomizados demonstraram que dietas sem restri&ccedil;&atilde;o    cal&oacute;rica e ricas em fibras promovem perda de peso.<sup>75</sup></font></p>     <p><font size="2" face="Verdana">N&atilde;o h&aacute; evid&ecirc;ncias que indiquem    um valor m&iacute;nimo de fibras necess&aacute;rio para a preven&ccedil;&atilde;o    de obesidade. Os valores usualmente recomendados de frutas, gr&atilde;os, verduras    e legumes j&aacute; garantem, provavelmente, uma ingest&atilde;o suficiente    de fibras.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Aumento da ingest&atilde;o de frutas e vegetais</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O aumento na ingest&atilde;o de frutas e vegetais    reduz a densidade energ&eacute;tica e aumenta a quantidade de alimento que pode    ser consumida para um determinado n&iacute;vel de calorias. A redu&ccedil;&atilde;o    da densidade energ&eacute;tica aumenta a saciedade, um efeito que se manifesta    ap&oacute;s o t&eacute;rmino da refei&ccedil;&atilde;o, e a sacia&ccedil;&atilde;o,    um efeito sobre a finaliza&ccedil;&atilde;o da refei&ccedil;&atilde;o.<sup>76</sup>    Esses efeitos podem ajudar no balan&ccedil;o energ&eacute;tico e no controle    do peso, mas os pap&eacute;is desempenhados pela densidade energ&eacute;tica    e pelas quantidades de &aacute;gua, fibra, carboidrato e gordura de refei&ccedil;&otilde;es    constitu&iacute;das de frutas e vegetais precisam ser melhor avaliados por estudos    sistematizados com uma gama de frutas e vegetais, em diferentes quantidades    e formas de preparo. Outro aspecto ben&eacute;fico, potencialmente, no aumento    da ingest&atilde;o de frutas e vegetais &eacute; que sua prescri&ccedil;&atilde;o    <i>ad libitum</i> pode amenizar a sensa&ccedil;&atilde;o de fome, t&iacute;pica    de dietas de emagrecimento e de manuten&ccedil;&atilde;o de peso perdido. Al&eacute;m    disso, a escolha de frutas e vegetais pela sua resposta glic&ecirc;mica, isto    &eacute;, o aumento glic&ecirc;mico em duas horas provocado por um alimento    que contenha 50g de carboidrato, tamb&eacute;m pode afetar a saciedade e a ingest&atilde;o    alimentar. De acordo com essa hip&oacute;tese, alimentos com baixo &iacute;ndice    glic&ecirc;mico aumentariam a saciedade, mas esse efeito ainda n&atilde;o est&aacute;    comprovado de forma convincente. O &iacute;ndice glic&ecirc;mico &eacute; alto,    por exemplo, para batata, mandioca e banana, e baixo para ma&ccedil;&atilde;,    cenoura e feij&atilde;o.</font></p>     <p><font size="2" face="Verdana"><b>Redu&ccedil;&atilde;o de bebidas a&ccedil;ucaradas</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O consumo freq&uuml;ente de refrigerantes tem    sido associado ao ganho de peso.<sup>77</sup> Uma explica&ccedil;&atilde;o para    isso &eacute; que os efeitos fisiol&oacute;gicos da ingest&atilde;o de energia    sobre a saciedade s&atilde;o diferentes para l&iacute;quidos e para alimentos    s&oacute;lidos. Dessa forma, o carboidrato, quando ingerido em l&iacute;quidos,    promoveria um balan&ccedil;o energ&eacute;tico positivo maior.<sup>77,78</sup> Ensaio cl&iacute;nico    randomizado em escolares mostrou que um programa educativo para redu&ccedil;&atilde;o    do consumo de refrigerantes, ainda que alcan&ccedil;ando uma modesta redu&ccedil;&atilde;o    de consumo em doze meses, mostrou uma diferen&ccedil;a m&eacute;dia de 8% na    freq&uuml;&ecirc;ncia de sobrepeso entre os grupos experimental e de controle.<sup>79</sup></font></p>     <p><font size="2" face="Verdana"><b>Ambientes domiciliares e escolares que promovam    atividade f&iacute;sica e alimenta&ccedil;&atilde;o saud&aacute;vel</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">Estudos preliminares, experimentais e observacionais,    sugerem que adolescentes obesos tendem a ingerir maiores quantidades de <i>fast    food</i> e a n&atilde;o compensar esse excesso energ&eacute;tico, comparados    aos seus pares n&atilde;o obesos.<sup>80</sup> Comportamentos que promovem balan&ccedil;o    energ&eacute;tico positivo andam juntos: por exemplo, escolares que assistem    mais televis&atilde;o tamb&eacute;m ingerem maior quantidade de refrigerantes    e s&atilde;o mais obesos.<sup>81</sup></font></p>     <p><font size="2" face="Verdana">O potencial educativo de pap&eacute;is-modelo    em casa na escola, no desenvolvimento dos h&aacute;bitos de vida crian&ccedil;as    e adolescentes, &eacute; inquestion&aacute;vel, mas ainda s&atilde;o poucas    as evid&ecirc;ncias que ap&oacute;iam esse ponto de vista.<sup>68</sup> Revis&atilde;o    sistem&aacute;tica apontou falhas metodol&oacute;gicas de v&aacute;rios estudos    de interven&ccedil;&atilde;o, ressaltando a import&acirc;ncia estudos bem desenhados    sobre esse t&oacute;pico, muitos dos quais j&aacute; est&atilde;o em desenvolvimento.    Sugere, ainda, que investimento na redu&ccedil;&atilde;o de comportamentos sedent&aacute;rios    pode ser bastante produtivo.<sup>82</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Restri&ccedil;&atilde;o de alimentos com alto    &iacute;ndice glic&ecirc;mico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O &iacute;ndice glic&ecirc;mico &eacute; uma    forma de classificar   alimentos de acordo com a resposta glic&ecirc;mica que   produzem. Alimentos de alto &iacute;ndice glic&ecirc;mico s&atilde;o digeridos   e absorvidos rapidamente, com maior efeito   na glicemia. Esse &iacute;ndice depende de in&uacute;meros fatores,   como o tipo de carboidrato presente, a presen&ccedil;a ou   n&atilde;o de lip&iacute;dios, prote&iacute;nas e fibras e o modo de preparo.   Certos tipos de amido, como os presentes na batata, no   p&atilde;o branco e em cereais matinais &#8211; flocos de milho,   por exemplo &#8211;, geram altera&ccedil;&otilde;es glic&ecirc;micas maiores   e mais r&aacute;pidas do que at&eacute; mesmo o a&ccedil;&uacute;car.</font></p>     <p><font size="2" face="Verdana">Alimentos com alto &iacute;ndice glic&ecirc;mico    t&ecirc;m sido apontados   como poss&iacute;vel co-fator da obesidade. Estudos   preliminares sugerem que esses alimentos provocam   mais fome ap&oacute;s as refei&ccedil;&otilde;es.<sup>83</sup> A hip&oacute;tese &eacute;    de que   n&iacute;veis diferentes de glicemia provocariam diferentes   respostas hormonais na regula&ccedil;&atilde;o do apetite.</font></p>     <p><font size="2" face="Verdana"><b>Outros h&aacute;bitos alimentares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">H&aacute; evid&ecirc;ncias de que o aumento no    tamanho das por&ccedil;&otilde;es alimentares est&aacute; relacionado ao ganho    de peso, postulando-se que o organismo seria incapaz de estimar, corretamente,    o tamanho da por&ccedil;&atilde;o ingerida, o que dificultaria a compensa&ccedil;&atilde;o    energ&eacute;tica. Estudos que manipularam o tamanho da por&ccedil;&atilde;o    alimentar ap&oacute;iam essa assertiva: o aumento do prato principal (macarr&atilde;o)    de uma refei&ccedil;&atilde;o servida em restaurante, sem aumento do pre&ccedil;o,    aumentou a quantidade ingerida;<sup>83</sup> o mesmo aconteceu com o aumento da merenda    e de um sandu&iacute;che.<sup>84,85</sup></font></p>     <p><font size="2" face="Verdana">O h&aacute;bito de fazer refei&ccedil;&otilde;es    fora de casa tamb&eacute;m   contribui para o aumento da ingest&atilde;o energ&eacute;tica.   Tradicionalmente, essas refei&ccedil;&otilde;es s&atilde;o maiores, com   maior densidade cal&oacute;rica e maior conte&uacute;do de gordura   total, gordura saturada, colesterol e s&oacute;dio. Nos EUA,   indiv&iacute;duos que costumam comer em restaurantes t&ecirc;m   maior IMC do que aqueles que comem em casa.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">Outros fatores tamb&eacute;m t&ecirc;m sido associados    ao ganho de peso, mas as evid&ecirc;ncias para eles s&atilde;o ainda muito esparsas    ou conflitantes. Por exemplo, de acordo com a maior parte dos estudos, o &aacute;lcool    n&atilde;o tem rela&ccedil;&atilde;o com o ganho de peso, apesar da sua alta    densidade cal&oacute;rica (7 kcal/g); mesmo quando presente, essa associa&ccedil;&atilde;o    pode apresentar muitos confundidores. Omitir refei&ccedil;&otilde;es tem sido    apontado como fator de risco para obesidade, uma vez que certos estudos mostram    que a freq&uuml;&ecirc;ncia das refei&ccedil;&otilde;es est&aacute; relacionada,    inversamente, ao ganho de peso. Entretanto, simplesmente aumentar a freq&uuml;&ecirc;ncia    das refei&ccedil;&otilde;es n&atilde;o &eacute; suficiente, porque os indiv&iacute;duos    podem introduzir lanches com alta densidade cal&oacute;rica (por exemplo, bolachas    e salgadinhos).<sup>68</sup></font></p>     <p><font size="2" face="Verdana"><b>Limitar consumo total de gorduras e redirecionar    o consumo de gorduras n&atilde;o saturadas, eliminar o consumo de gorduras hidrogenadas    (gorduras<i> trans</i>)</b></font></p>     ]]></body>
<body><![CDATA[<p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A sugest&atilde;o das propor&ccedil;&otilde;es    adequadas de macro e micronutrientes na alimenta&ccedil;&atilde;o de uma pessoa    saud&aacute;vel tem-se baseado nas recomenda&ccedil;&otilde;es redigidas pelo    Conselho Nacional de Pesquisa dos EUA &#91;Recommended Dietary Allowances (RDA)&#93;,<sup>86</sup>    sendo a sua primeira edi&ccedil;&atilde;o de 1949 e a 10<sup>a</sup> edi&ccedil;&atilde;o    de 1989. As RDA refletem o melhor julgamento cient&iacute;fico quanto &agrave;s    necessidades nutricionais para a manuten&ccedil;&atilde;o da sa&uacute;de da    popula&ccedil;&atilde;o e sugerem que o conte&uacute;do de gordura na alimenta&ccedil;&atilde;o    das pessoas saud&aacute;veis n&atilde;o exceda 30% da ingest&atilde;o cal&oacute;rica,    que menos de 10% das calorias sejam provenientes de &aacute;cidos graxos saturados    e que a quantidade de colesterol na alimenta&ccedil;&atilde;o seja menor que    300mg/dia.</font></p>     <p><font size="2" face="Verdana">Dados da FAOSTAT<sup>87</sup> mostram que o consumo    de gordura na alimenta&ccedil;&atilde;o tem aumentado substancialmente, ao longo    dos &uacute;ltimos 40 anos, em &acirc;mbito mundial. Esses mesmos dados mostram,    tamb&eacute;m, que o percentual de energia da alimenta&ccedil;&atilde;o proveniente    de gorduras tem excedido 30% nas regi&otilde;es mais industrializadas, principalmente    em pa&iacute;ses da Am&eacute;rica do Norte e Europa Ocidental.</font></p>     <p><font size="2" face="Verdana">Resultados de estudos epidemiol&oacute;gicos    s&atilde;o inconsistentes quanto &agrave; rela&ccedil;&atilde;o causal entre    percentual de gorduras na dieta, sobrepeso/obesidade e morbimortalidade cardiovascular.    Ensaios cl&iacute;nicos prospectivos e controlados poderiam dar subs&iacute;dios    mais concretos para essa quest&atilde;o, mas s&atilde;o dif&iacute;ceis de serem    realizados porque necessitam uma amostragem muito grande, um longo per&iacute;odo    de acompanhamento (anos) e controle rigoroso de todas as vari&aacute;veis que    possam interferir no peso dos indiv&iacute;duos.</font></p>     <p><font size="2" face="Verdana">Do ponto de vista de macronutrientes (carboidratos,    prote&iacute;nas e lip&iacute;dios), n&atilde;o h&aacute; evid&ecirc;ncias que    confirmem que a energia proveniente das gorduras seja mais obesog&ecirc;nica    do que a proveniente de carboidratos ou prote&iacute;nas. Entretanto, a partir    dos estudos controlados randomizados, tem-se considerado convincente o fato    de uma maior ingest&atilde;o de alimentos de alta densidade energ&eacute;tica    promover ganho de peso inadequado.</font></p>     <p><font size="2" face="Verdana">Metan&aacute;lises de ensaios de interven&ccedil;&atilde;o,    assim como revis&otilde;es sistem&aacute;ticas, t&ecirc;m mostrado a efic&aacute;cia    de dietas mais pobres em gorduras na perda de peso de pessoas com sobrepeso    ou obesas, assim como na manuten&ccedil;&atilde;o de peso de pessoas eutr&oacute;ficas.    Estudos bem-conduzidos sugerem que uma dieta pobre em gordura, rica em prote&iacute;nas    e carboidratos e com alto conte&uacute;do de fibras (de diferentes vegetais,    frutas e gr&atilde;os) promove mais saciedade, com menor taxa cal&oacute;rica,    que alimentos gordurosos,<sup>88</sup> produzindo, ainda, benef&iacute;cios    para a lipemia e n&iacute;veis press&oacute;ricos. Essa metan&aacute;lise<sup>88</sup>    indica que uma redu&ccedil;&atilde;o na gordura da dieta, sem restri&ccedil;&atilde;o    do total de energia, previne ganho de peso em indiv&iacute;duos eutr&oacute;ficos    e gera perda de peso naqueles com sobrepeso e nos obesos.</font></p>     <p><font size="2" face="Verdana">Uma revis&atilde;o sistem&aacute;tica de 27 estudos    (30.902 indiv&iacute;duos)<sup>89</sup> mostrou que ensaios com pelo menos dois anos de    dura&ccedil;&atilde;o prov&ecirc;em fortes evid&ecirc;ncias de que a redu&ccedil;&atilde;o    ou altera&ccedil;&otilde;es na propor&ccedil;&atilde;o de energia da dieta proveniente    das gorduras protege contra eventos cardiovasculares.</font></p>     <p><font size="2" face="Verdana">Sabe-se que a quantidade e a natureza da gordura    da dieta interferem nos n&iacute;veis de colesterol plasm&aacute;tico; e que    altas taxas de colesterol no sangue est&atilde;o fortemente relacionadas &agrave;    doen&ccedil;a vascular arterioscler&oacute;tica, principalmente &agrave; doen&ccedil;a    coronariana. V&aacute;rias evid&ecirc;ncias (como estudos cl&iacute;nicos, nutricionais    e com drogas) mostraram que o colesterol presente nas lipoprote&iacute;nas de    baixa densidade (LDL) &eacute; o principal componente nocivo, enquanto que altos    n&iacute;veis da lipoprote&iacute;na de alta densidade (HDL) est&atilde;o associados    a menores riscos de desenvolvimento de doen&ccedil;a coronariana.</font></p>     <p><font size="2" face="Verdana">Os is&ocirc;meros <i>trans</i> dos &aacute;cidos    graxos (gorduras <i>trans</i>), formados pela hidrogena&ccedil;&atilde;o parcial    das gorduras vegetais, encontrados na margarina, biscoitos, bolos e p&atilde;o    branco, aumentam a rela&ccedil;&atilde;o LDL/HDL plasm&aacute;tica, influenciando    adversamente como fator de risco para doen&ccedil;a coronariana.<sup>90</sup>    Ensaios cl&iacute;nicos prospectivos sugerem que dietas com alta densidade de    gordura saturada, gordura <i>trans</i> e colesterol est&atilde;o associadas    a um risco aumentado de desenvolver doen&ccedil;a coronariana.<sup>90-92</sup>    Outro ponto interessante deste &uacute;ltimo estudo foi a constata&ccedil;&atilde;o,    naquela popula&ccedil;&atilde;o, de que, quanto mais rica uma dieta &eacute;    em gorduras, menor o conte&uacute;do de fibras ingerido no dia-a-dia da pessoa.    Seus autores sugerem que esse fato possa estar associado a uma maior predisposi&ccedil;&atilde;o    &agrave;s doen&ccedil;as coronarianas. O mesmo trabalho mostra que os benef&iacute;cios    da redu&ccedil;&atilde;o da ingest&atilde;o de &aacute;cidos graxos saturados    e colesterol s&atilde;o maiores se acompanhados de aumento na ingest&atilde;o    de alimentos ricos em fibras; e que dietas ricas em &aacute;cido linol&ecirc;nico    (3-N-&aacute;cido graxo de origem vegetal) est&atilde;o associadas a um risco    reduzido de doen&ccedil;a coronariana, independentemente dos outros fatores    de risco.</font></p>     <p><font size="2" face="Verdana">Uma metan&aacute;lise de estudos cl&iacute;nicos    e epidemiol&oacute;gicos mostrou que o &ocirc;mega-3 pode reduzir o risco de    morte associada &agrave; doen&ccedil;a cardiovascular em 29 a 52%; e o de morte    s&uacute;bita, em 45 a 81%. N&atilde;o se conhece, entretanto, a melhor dose    de ingest&atilde;o de &ocirc;mega-3 para evitar o aparecimento de doen&ccedil;a    coronariana.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Aumentar o consumo de frutas, vegetais e cereais    integrais</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A OMS recomenda consumo m&iacute;nimo di&aacute;rio    de 400g de frutas e vegetais, com aumento do consumo de alimentos ricos em fibras    e de nozes e assemelhados. Em princ&iacute;pio, n&atilde;o h&aacute; limite    superior para o grupo. N&atilde;o h&aacute; recomenda&ccedil;&otilde;es espec&iacute;ficas    para o consumo de frutas, verduras e legumes, cereais integrais e nozes ou assemelhados    na inf&acirc;ncia.<sup>68</sup></font></p>     <p><font size="2" face="Verdana">A base principal para recomendar o aumento do    consumo de frutas, verduras (folhosos como alface, couve, espinafre), legumes    (tomate, ab&oacute;bora, feij&atilde;o), cereais integrais (trigo, aveia) e    nozes ou assemelhados (nozes, castanhas, amendoim) est&aacute; na possibilidade    de esses alimentos substitu&iacute;rem outros de alto valor energ&eacute;tico    e baixo valor nutritivo, como cereais e gr&atilde;os processados e a&ccedil;&uacute;car    refinado, b&aacute;sicos na prepara&ccedil;&atilde;o de alimentos industrializados    e <i>fast foods</i>. Al&eacute;m de sua poss&iacute;vel contribui&ccedil;&atilde;o    no balan&ccedil;o energ&eacute;tico, eles podem introduzir nutrientes (<a href="#tab1">Tabela    1</a>),<sup>93</sup> com efeitos significativos na sa&uacute;de geral dos indiv&iacute;duos    e, mais especificamente, na preven&ccedil;&atilde;o de DCNT como obesidade,    diabetes tipo 2, doen&ccedil;as cardiovasculares e certos tipos de c&acirc;ncer,    conforme ser&aacute; discutido a seguir.</font></p>     <p><a name="tab1"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t1.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da obesidade</b></font></p>     <p><font size="2" face="Verdana">A obesidade, na inf&acirc;ncia e na idade adulta,    associa-se a uma incid&ecirc;ncia maior de doen&ccedil;a coronariana, diabetes    tipo 2 e c&acirc;ncer.<sup>68</sup> H&aacute;bitos alimentares saud&aacute;veis,    como a maior ingest&atilde;o de frutas e vegetais, t&ecirc;m sido apontados    como protetores no desenvolvimento da obesidade. Esse efeito deve-se &agrave;    menor densidade energ&eacute;tica desses alimentos, com aumento da saciedade    e da sacia&ccedil;&atilde;o. Outro poss&iacute;vel mecanismo consiste no conte&uacute;do    maior de fibra, que tamb&eacute;m aumenta a saciedade. N&atilde;o h&aacute;    evid&ecirc;ncias que indiquem um valor m&iacute;nimo de fibras necess&aacute;rio    para a preven&ccedil;&atilde;o da obesidade. Entretanto, os valores usualmente    recomendados de frutas, gr&atilde;os, verduras e legumes, provavelmente, j&aacute;    garantem uma ingest&atilde;o de fibras suficiente <b>&#91;NE: convincente&#93;</b>.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">O aumento do consumo de nozes ou assemelhados    deve ser feito com cautela, pelo seu alto conte&uacute;do de gordura e tend&ecirc;ncia    ao consumo com adi&ccedil;&atilde;o de sal. Estudos recentes sugerem que o uso    continuado, de forma moderada, n&atilde;o parece aumentar o peso corporal <b>&#91;NE:    poss&iacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do diabetes tipo    2</b></font></p>     <p><font size="2" face="Verdana">A preven&ccedil;&atilde;o do diabetes tipo 2    e suas complica&ccedil;&otilde;es mediante o consumo de frutas e vegetais d&aacute;-se    n&atilde;o somente pelo controle da obesidade, mas tamb&eacute;m pelo efeito    de fitonutrientes contidos nesses alimentos. V&aacute;rios estudos de coorte    de grande porte demonstraram prote&ccedil;&atilde;o contra o diabetes conferida    pelo consumo de alimentos de base vegetal n&atilde;o processados &#8211; como    cereais integrais &#8211; e pela maior ingest&atilde;o de fibras. A OMS recomenda    pelo menos 20g por dia de polissacar&iacute;deos n&atilde;o amil&aacute;ceos,    o que pode ser alcan&ccedil;ado pelo consumo regular de cereais integrais, verduras,    legumes e frutas. Recomenda&ccedil;&otilde;es semelhantes foram encontradas    nos ensaios cl&iacute;nicos sobre dieta e redu&ccedil;&atilde;o da incid&ecirc;ncia    de diabetes tipo 2 <b>&#91;NE: prov&aacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana">A ingest&atilde;o de nozes associou-se a menor    risco de diabetes, independentemente de seu conte&uacute;do de &aacute;cidos    graxos insaturados<sup>94</sup><b>&#91;NE: poss&iacute;vel&#93;</b>.</font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o das doen&ccedil;as    cardiovasculares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A OMS recomenda um consumo m&iacute;nimo di&aacute;rio    de 400g de frutas, verduras e legumes frescos. Geralmente, nessas quantidades,    &eacute; poss&iacute;vel alcan&ccedil;ar um grau de prote&ccedil;&atilde;o cardiovascular,    conforme ser&aacute; discutido a seguir. Ensaios cl&iacute;nicos randomizados    demonstram que dietas tradicionais cardioprotetoras, baseadas em alimentos vegetais    pouco processados &#8211; p&atilde;o integral, verduras, legumes, frutas, nozes    ou assemelhados e &oacute;leos ricos em &aacute;cidos graxos poli e monoinsaturados,    incluindo o &aacute;cido alfa linol&ecirc;nico &#8211;, conferem prote&ccedil;&atilde;o    contra eventos isqu&ecirc;micos card&iacute;acos em indiv&iacute;duos de alto    risco.<sup>95,96</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel/poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O sobrepeso e a obesidade t&ecirc;m sido associados    a certos tipos de c&acirc;ncer, especialmente de c&oacute;lon, de mama em mulheres    p&oacute;s-menopausa, do endom&eacute;trio e do es&ocirc;fago. Depois do tabaco,    modifica&ccedil;&otilde;es na dieta s&atilde;o a segunda maneira mais eficiente    de prevenir o c&acirc;ncer. Segundo o World Cancer Research Found e The American    Institute of Cancer Research, dos EUA, dietas contendo quantidade substancial    e variada de vegetais e frutas podem prevenir at&eacute; 20% dos casos de c&acirc;ncer.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">O mecanismo preciso pelo qual dietas ou subst&acirc;ncias,    particularmente, s&atilde;o capazes de prevenir o c&acirc;ncer ainda n&atilde;o    foi elucidado completamente. Muitas das recomenda&ccedil;&otilde;es diet&eacute;ticas    nesse sentido s&atilde;o embasadas em estudos observacionais.</font></p>     <p><font size="2" face="Verdana">Estudos prospectivos encontraram uma rela&ccedil;&atilde;o    inversa entre consumo de fibras e c&acirc;ncer de c&oacute;lon, n&atilde;o encontrando    diferen&ccedil;as quanto ao tipo de fibra ingerido,<sup>97</sup> mas o mecanismo    pelo qual isso ocorre ainda &eacute; desconhecido. Frutas e vegetais tamb&eacute;m    t&ecirc;m sido apontados como fatores protetores em v&aacute;rios outros tipos    de c&acirc;ncer, como de bexiga, de pulm&atilde;o, de boca, de laringe, de faringe,    de es&ocirc;fago e est&ocirc;mago e de mama. Geralmente, esses estudos apontam    para um menor risco de c&acirc;ncer, mas os dados s&atilde;o conflitantes quanto    ao tipo de c&acirc;ncer e ao tipo de planta (fruta ou vegetal) indicado. Menor    risco de c&acirc;ncer de mama est&aacute; associado com maior consumo de verduras    e legumes.<sup>98</sup></font></p>     <p><font size="2" face="Verdana">Sendo o c&acirc;ncer uma doen&ccedil;a de desenvolvimento    prolongado e estando intimamente relacionada a uma alimenta&ccedil;&atilde;o    inadequada, estabelecer h&aacute;bitos alimentares saud&aacute;veis na inf&acirc;ncia    &eacute; de suma import&acirc;ncia para o desenvolvimento de uma vida adulta    livre da doen&ccedil;a.</font></p>     <p><font size="2" face="Verdana"><b>Limitar o consumo de a&ccedil;&uacute;cares    livres</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">A recomenda&ccedil;&atilde;o de limitar o consumo    de a&ccedil;&uacute;cares livres tem, por princ&iacute;pio, o reconhecimento    de que existem intera&ccedil;&otilde;es complexas entre escolhas pessoais, normas    sociais e fatores ambientais e econ&ocirc;micos que determinam o padr&atilde;o    alimentar. Em considera&ccedil;&atilde;o &agrave; import&acirc;ncia de capacitar    os indiv&iacute;duos para fazerem escolhas saud&aacute;veis quanto &agrave;    sua alimenta&ccedil;&atilde;o e padr&otilde;es de atividade f&iacute;sica, dando    &ecirc;nfase na educa&ccedil;&atilde;o de crian&ccedil;as e jovens, a Estrat&eacute;gia    Global prev&ecirc; a&ccedil;&otilde;es de car&aacute;ter regulat&oacute;rio,    fiscal e legislativo sobre o ambiente que visam tornar fact&iacute;veis essas    escolhas saud&aacute;veis.</font></p>     <p><font size="2" face="Verdana">O grupo de <i>experts</i> da OMS considerou que    o consumo de a&ccedil;&uacute;cares livres, dentro do limite recomendado, pode    contribuir para o controle de peso e preven&ccedil;&atilde;o das DCNT, pelos    seguintes mecanismos:</font></p>     <p><font size="2" face="Verdana">- os a&ccedil;&uacute;cares livres contribuem    para o aumento da densidade energ&eacute;tica da dieta e o controle de seu consumo    &eacute; importante para a balan&ccedil;o energ&eacute;tico total;</font></p>     <p><font size="2" face="Verdana">- as bebidas ricas em a&ccedil;&uacute;cares    livres, principalmente os xaropes de milho ricos em frutose, promovem o aumento    de ingest&atilde;o energ&eacute;tica, aportam uma grande quantidade de calorias,    mas n&atilde;o levam &agrave; redu&ccedil;&atilde;o do consumo de alimentos    s&oacute;lidos em quantidade semelhante ao que aportam; dessa forma, promovem    um balan&ccedil;o positivo de energia na dieta e tamb&eacute;m parecem reduzir    o controle do apetite; e</font></p>     <p><font size="2" face="Verdana">- a limita&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares    livres para, no m&aacute;ximo, 10% das calorias totais da dieta, contribui para    a melhor sa&uacute;de bucal e preven&ccedil;&atilde;o da c&aacute;rie dent&aacute;ria.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">A melhor combina&ccedil;&atilde;o dessas sugest&otilde;es    s&oacute; pode ser definida pelo pr&oacute;prio pa&iacute;s, decidido a adotar    a Estrat&eacute;gia de acordo com v&aacute;rias circunst&acirc;ncias locais.    Recomendar a redu&ccedil;&atilde;o do consumo dos carboidratos totais (todos    os a&ccedil;&uacute;cares) talvez n&atilde;o seja apropriado para o Brasil.    Entretanto, recomendar a limita&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares    livres &eacute; uma medida de Sa&uacute;de P&uacute;blica importante e adequada    para os brasileiros. A quest&atilde;o principal &eacute; como faz&ecirc;-lo,    a partir da redu&ccedil;&atilde;o de qual alimento e com que mensagens.</font></p>     <p><font size="2" face="Verdana">A <a href="#tab2">Tabela 2</a> mostra que, segundo    os dados da Pesquisa sobre Padr&otilde;es de Vida (PPV), o consumo de carboidratos    e tamb&eacute;m do a&ccedil;&uacute;car (sacarose) &eacute; elevado em todas    as regi&otilde;es do pa&iacute;s estudadas. Da tabela, considere-se, ainda,    que o consumo de alimentos que cont&ecirc;m &iacute;ndices glic&ecirc;micos    altos, como p&atilde;o, bolos e biscoitos, &eacute; maior nas &aacute;reas com    menor consumo de a&ccedil;&uacute;car (sacarose); e que dietas com alto &iacute;ndice    glic&ecirc;mico parecem alterar, mais profundamente, a rela&ccedil;&atilde;o    glicemia-insulina, quando comparadas &agrave; adi&ccedil;&atilde;o pura de sacarose    na dieta &#8211; conforme monstrou um estudo cruzado com quatro tipos de dietas,    por&eacute;m de curto seguimento (21 dias).<sup>99</sup> Adicionalmente, nas    &aacute;reas urbanas que apresentam menor consumo de a&ccedil;&uacute;car, &eacute;    maior o consumo de biscoitos, fonte importante de &aacute;cidos graxos <i>trans</i>.</font></p>     <p><a name="tab2"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t2.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Para limitar o consumo de a&ccedil;&uacute;cares    livres, levando-se em conta toda a discuss&atilde;o conceitual relativa a mudan&ccedil;as    de comportamento alimentar apresentadas, parece mais adequado concentrar a discuss&atilde;o    no a&ccedil;&uacute;car adicionado aos produtos industrializados.</font></p>     <p><font size="2" face="Verdana">O consumo de refrigerantes tem sido um fator    associado ao ganho de peso;<sup>77</sup> um dos poucos estudos de preven&ccedil;&atilde;o    populacional com resultados positivos quanto &agrave; redu&ccedil;&atilde;o    de ganho de peso foi realizado em escolares e baseou-se, exclusivamente, na    redu&ccedil;&atilde;o de refrigerantes.<sup>79</sup> A densidade energ&eacute;tica de l&iacute;quidos    &eacute; menos reconhecida como consumo de energia, pelo menos entre adultos.<sup>100</sup></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise do consumo de adolescentes americanos    mostrou, claramente, uma primeira substitui&ccedil;&atilde;o de leite por refrigerantes    e, posteriormente, a parcial substitui&ccedil;&atilde;o dos refrigerantes por    sucos, com grande adi&ccedil;&atilde;o de xarope de frutose.<sup>101</sup> Portanto,    a recomenda&ccedil;&atilde;o para redu&ccedil;&atilde;o do consumo de refrigerantes    deve ser associada a todas as demais recomenda&ccedil;&otilde;es para uma dieta    saud&aacute;vel.</font></p>     <p><font size="2" face="Verdana">Redu&ccedil;&otilde;es no consumo de gorduras,    n&atilde;o a redu&ccedil;&atilde;o de calorias totais, foram ineficazes em reduzir    o gasto cal&oacute;rico total. Essas seriam nossas duas estrat&eacute;gias locais    para redu&ccedil;&atilde;o do consumo de a&ccedil;&uacute;cares livres com substitui&ccedil;&atilde;o    por pr&aacute;ticas alimentares mais saud&aacute;veis.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Limitar o consumo de s&oacute;dio e garantir    a iodiza&ccedil;&atilde;o</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O s&oacute;dio e o pot&aacute;ssio s&atilde;o    minerais essenciais para a regula&ccedil;&atilde;o dos fluidos intra e extracelulares,    atuando na manuten&ccedil;&atilde;o da press&atilde;o sangu&iacute;nea. O sal    de cozinha &#8211; cloreto de s&oacute;dio &#8211; &eacute; a principal fonte    de s&oacute;dio, sendo composto por 40% desse elemento qu&iacute;mico. A necessidade    humana di&aacute;ria de sal &eacute; de cerca de 300-500 miligramas.<sup>102</sup>    A maior parte dos indiv&iacute;duos, mesmo crian&ccedil;as, consome n&iacute;veis    al&eacute;m das suas necessidades. O consumo populacional excessivo, maior que    6g di&aacute;rias (2,4g de s&oacute;dio), &eacute; uma causa importante da hipertens&atilde;o    arterial (HA). A HA explica 40% das mortes por acidente vascular encef&aacute;lico    (AVE) e 25% daquelas por doen&ccedil;a arterial coronariana.</font></p>     <p><font size="2" face="Verdana">O consumo de s&oacute;dio est&aacute; relacionado,    diretamente, com a press&atilde;o arterial. Dados populacionais sugerem que    uma redu&ccedil;&atilde;o de 100mmol/dia de s&oacute;dio est&aacute; associada    com diferen&ccedil;as na press&atilde;o sist&oacute;lica de 5 mmHg (15-19 anos)    e 10mmHg (60-69 anos).<sup>103</sup> Estima-se que a redu&ccedil;&atilde;o de    50mmol/dia poderia levar a uma redu&ccedil;&atilde;o de 50% no n&uacute;mero    de indiv&iacute;duos com necessidade de tratamento anti-hipertensivo, 22% no    n&uacute;mero de mortes por AVE e 16% no n&uacute;mero de mortes por doen&ccedil;as    coronarianas. A revis&atilde;o de 32 ensaios cl&iacute;nicos concluiu que a    redu&ccedil;&atilde;o de 70-80mmol/dia de s&oacute;dio estava associada com    a queda dos n&iacute;veis press&oacute;ricos, tanto de indiv&iacute;duos hipertensos    (4,8/1,9mmHg) como normotensos (2,5/1,1mmHg).<sup>104</sup> Ensaios cl&iacute;nicos    tamb&eacute;m originaram informa&ccedil;&otilde;es a respeito do efeito redutor    do controle no consumo de s&oacute;dio em crian&ccedil;as<sup>105,106</sup>    e idosos.<sup>107</sup> Ensaios sobre dietas com baixo aporte de s&oacute;dio    &#8211; com n&iacute;veis de excre&ccedil;&atilde;o urin&aacute;ria de24h de    70mmol &#8211; mostraram-se seguras e efetivas<sup>108</sup> (<a href="#tab3">Tabela    3</a>).<sup>107,109-112</sup></font></p>     <p><a name="tab3"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t3.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Recomenda&ccedil;&otilde;es de consumo de    sal</b></font></p>     <p><font size="2" face="Verdana">O consumo de s&oacute;dio, de todas as fontes,    deve ser limitado de maneira a reduzir o risco de doen&ccedil;as coronarianas    e AVE. As evid&ecirc;ncias atuais sugerem que um consumo n&atilde;o superior    a 70mmol ou 1,7g de s&oacute;dio (5g de cloreto de s&oacute;dio) por dia &eacute;    ben&eacute;fico para a redu&ccedil;&atilde;o da press&atilde;o arterial. Todo    o sal para consumo humano dever&aacute; ser iodado. A <a href="#tab4">Tabela    4</a><sup>113-116</sup> elenca alguns consensos de organiza&ccedil;&otilde;es    nacionais e internacionais para o consumo de sal.<sup>117</sup></font></p>     ]]></body>
<body><![CDATA[<p><a name="tab4"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t4.gif"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana">Em metan&aacute;lise realizada por Feng e Graham,<Sup>118</Sup>    os autores concluem que a recomenda&ccedil;&atilde;o em torno de 5 a 6g/dia    de cloreto de s&oacute;dio baseia-se mais no que &eacute; poss&iacute;vel do    que no n&iacute;vel cujo efeito positivo m&aacute;ximo pudesse ser alcan&ccedil;ado.    A an&aacute;lise do efeito dose-resposta de ensaios cl&iacute;nicos de longa    dura&ccedil;&atilde;o indicou que a redu&ccedil;&atilde;o de 3g/dia leva a uma    queda na press&atilde;o de 3,6 a 5,6/1,9 a 3,2 mmHg (sist&oacute;lica/diast&oacute;lica)    em indiv&iacute;duos hipertensos; e de 1,8 a 3,5/0,8 a 1,8 mmHg em indiv&iacute;duos    normais. Esse efeito dobraria com a redu&ccedil;&atilde;o de 6g/dia e triplicaria    com a redu&ccedil;&atilde;o de 9g/dia. Segundo os autores, isso significaria,    em uma estimativa conservadora, que a redu&ccedil;&atilde;o de 3g do consumo    di&aacute;rio de cloreto de s&oacute;dio levaria a uma redu&ccedil;&atilde;o    de 13% nos casos de AVE; e de 10% nas doen&ccedil;as isqu&ecirc;micas do cora&ccedil;&atilde;o.    Esse efeito dobraria com a redu&ccedil;&atilde;o de 6g e triplicaria com a redu&ccedil;&atilde;o    de 9g/dia. A recomenda&ccedil;&atilde;o atual para o n&iacute;vel de 6g/dia    teria efeito positivo na redu&ccedil;&atilde;o da HA, mas, a longo prazo, n&atilde;o    deveria ser considerada ideal.<sup>113</sup></font></p>     <p><font size="2" face="Verdana">As informa&ccedil;&otilde;es dispon&iacute;veis    sobre consumo de sal prov&ecirc;m da ind&uacute;stria brasileira e indicam que    a m&eacute;dia de consumo de sal em 2000 era de 16,76g por dia, seguindo uma    tend&ecirc;ncia crescente.<sup>119</sup> Prevendo-se que 10% desse total refere-se a alimenta&ccedil;&atilde;o    animal e desperd&iacute;cio, podemos inferir um consumo di&aacute;rio, por pessoa,    de 15,08g. Esse valor, comparado com a m&eacute;dia de consumo dos pa&iacute;ses    industrializados, que &eacute; de 8-9g por dia, representa um dos n&iacute;veis    mais altos do mundo.<sup>120</sup> Isso significa que a popula&ccedil;&atilde;o do Brasil,    em m&eacute;dia, deveria diminuir o consumo do sal em dois ter&ccedil;os, a    fim de se aproximar do limite recomend&aacute;vel. Tendo em vista que a maioria    do sal est&aacute; contida nos alimentos industrializados, a conquista de uma    redu&ccedil;&atilde;o substancial no consumo desse produto exigir&aacute; mudan&ccedil;as    nas pr&aacute;ticas de industrializa&ccedil;&atilde;o de alimentos.</font></p>     <p><font size="2" face="Verdana"><b>Dados nacionais</b></font></p>     <p><font size="2" face="Verdana">N&atilde;o h&aacute; estudos de preval&ecirc;ncia    da hipertens&atilde;o   arterial na popula&ccedil;&atilde;o brasileira, exceto por algumas   verifica&ccedil;&otilde;es em regi&otilde;es restritas e n&atilde;o representativas   do que ocorre no conjunto do pa&iacute;s. Com base em   estudos realizados em outros pa&iacute;ses e nas &#8211; j&aacute; citadas   &#8211; verifica&ccedil;&otilde;es em algumas regi&otilde;es do Brasil, estima-se   uma preval&ecirc;ncia de, aproximadamente, 20% da   popula&ccedil;&atilde;o adulta, o que significa cerca de 20 milh&otilde;es   de habitantes com mais de 19 anos de idade.</font></p>     <p><font size="2" face="Verdana"><b>O Programa Nacional de Controle dos Dist&uacute;rbios    de Defici&ecirc;ncia de Iodo</b></font></p>     <p><font size="2" face="Verdana">Nesse &acirc;mbito, o Brasil conta com uma a&ccedil;&atilde;o    sistem&aacute;tica de Sa&uacute;de P&uacute;blica que vem somando resultados    positivos.<sup>121</sup> Inqu&eacute;rito sobre o b&oacute;cio end&ecirc;mico    revelou preval&ecirc;ncia baixa da doen&ccedil;a &#8211;, teor de iodo urin&aacute;rio    nunca abaixo de 100&micro;g/l nas amostras estudadas &#8211;, embora tenha-se    detectado freq&uuml;&ecirc;ncia elevada de amostras com excesso de iodo (&gt;300&micro;g/l).    Os dados dispon&iacute;veis permitem afirmar, com certa seguran&ccedil;a, que    a defici&ecirc;ncia de iodo foi controlada no Brasil, sendo recomendada uma    redu&ccedil;&atilde;o na faixa de iodo no sal de 40 a 100mg/kg para 20 a 60mg/kg.    &#91;Resolu&ccedil;&atilde;o de Diretoria Colegiada (RDC) n<sup>o</sup>; 130,    de 26 de maio de 2003, da Ag&ecirc;ncia Nacional de Vigil&acirc;ncia Sanit&aacute;ria    (Anvisa)/MS; Decreto n<sup>o</sup> 75.697, de 6 de maio de 1975&#93;<sup>122,123</sup>    Portanto, a recomenda&ccedil;&atilde;o atual &eacute; adequada, resguardando-se    cuidados com o excesso de ioda&ccedil;&atilde;o.</font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Recomenda&ccedil;&otilde;es da EG/OMS relativas    &agrave; atividade f&iacute;sica</b></font></p>     <p><font size="2" face="Verdana">A EG/OMS recomenda &quot;<i>que os indiv&iacute;duos    adotem n&iacute;veis adequados de atividade f&iacute;sica durante toda a vida.    Diferentes tipos e quantidades de atividade f&iacute;sica s&atilde;o necess&aacute;rios    para obter diferentes resultados na sa&uacute;de: a pr&aacute;tica regular de    30 minutos de atividade f&iacute;sica de moderada intensidade, na maior parte    dos dias, reduz o risco de doen&ccedil;as cardiovasculares e c&acirc;ncer de    c&oacute;lon e de mama. O treinamentode resist&ecirc;ncia muscular e equil&iacute;brio    pode reduzir quedas e aumentar a capacidade funcional nos idosos. Maiores n&iacute;veis    de atividade f&iacute;sica podem ser necess&aacute;rios para o controle de peso</i>&quot;.</font></p>     <p><font size="2" face="Verdana">No Brasil, observa-se o aumento da expectativa    de vida e o crescimento expressivo da popula&ccedil;&atilde;o idosa. Entretanto,    a maior expectativa de vida da popula&ccedil;&atilde;o, se n&atilde;o acompanhada    de investimento na promo&ccedil;&atilde;o da sa&uacute;de dos indiv&iacute;duos,    pode resultar em aumento de anos vividos com DCNT e incapacidades. Assim, a    possibilidade de preven&ccedil;&atilde;o ou revers&atilde;o de limita&ccedil;&otilde;es    funcionais mediante atividade f&iacute;sica e exerc&iacute;cio &eacute; um assunto    de grande interesse para a Sa&uacute;de P&uacute;blica nacional.</font></p>     <p><font size="2" face="Verdana">A atividade f&iacute;sica pode ser definida como    qualquer movimento realizado pelo sistema esquel&eacute;tico com gasto de energia.    J&aacute; o exerc&iacute;cio &eacute; uma categoria da atividade f&iacute;sica    definida como um conjunto de movimentos f&iacute;sicos repetitivos, planejados    e estruturados para melhorar o desempenho f&iacute;sico. A aptid&atilde;o f&iacute;sica    &eacute; definida pela presen&ccedil;a de atributos relacionados &agrave; habilidade    no desempenho de atividades f&iacute;sicas. Treinamento ou condicionamento f&iacute;sico    compreende a repeti&ccedil;&atilde;o de exerc&iacute;cios, durante per&iacute;odos    de semanas ou meses, com o objetivo de melhorar a aptid&atilde;o f&iacute;sica.</font></p>     <p><font size="2" face="Verdana">H&aacute; mais de dez anos, an&aacute;lise de    estudos epidemiol&oacute;gicos prospectivos j&aacute; demonstrava que tanto    o estilo de vida ativo como um condicionamento aer&oacute;bico moderado est&atilde;o    associados, de forma independente, &agrave; diminui&ccedil;&atilde;o do risco    de incid&ecirc;ncia de DCNT, da mortalidade geral e por doen&ccedil;as cardiovasculares    (<a href="#tab5">Tabela 5</a>).<sup>124</sup></font></p>     <p><a name="tab5"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/ess/v14n1/1a05t5.gif"></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o das doen&ccedil;as    cardiovasculares</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O risco relativo para doen&ccedil;as cardiovasculares    causadas pelo sedentarismo &eacute; estimado em 1,9; para hipertens&atilde;o    arterial, &eacute; igual a 2,1; e referente ao h&aacute;bito de fumar, de 2,5.    Se considerarmos a elevada preval&ecirc;ncia do estilo de vida sedent&aacute;rio,    veremos que a redu&ccedil;&atilde;o desse fator de risco implica benef&iacute;cios    inquestion&aacute;veis para a redu&ccedil;&atilde;o da incid&ecirc;ncia de doen&ccedil;as    cardiovasculares.<sup>125</sup></font></p>     <p><font size="2" face="Verdana">J&aacute; foi demonstrada uma rela&ccedil;&atilde;o    inversa entre press&atilde;o arterial e pr&aacute;tica de exerc&iacute;cios    aer&oacute;bicos, com diminui&ccedil;&atilde;o da press&atilde;o arterial sist&oacute;lica    e diast&oacute;lica, tanto em indiv&iacute;duos normotensos como em hipertensos,    mesmo ap&oacute;s ajuste por peso e gorduracorporal.<sup>126</sup> Em metan&aacute;lise    de 54 ensaios cl&iacute;nicos randomizados com 2.419 participantes, onde casos    e controles s&oacute; diferiam quanto &agrave; pr&aacute;tica de exerc&iacute;cios    aer&oacute;bicos, essa atividade f&iacute;sica foi associada &agrave; redu&ccedil;&atilde;o    significativa tanto da press&atilde;o sist&oacute;lica quanto da press&atilde;o    diast&oacute;lica.<sup>127</sup></font></p>     <p><font size="2" face="Verdana">A principal manifesta&ccedil;&atilde;o cl&iacute;nica    da insufici&ecirc;ncia card&iacute;aca &eacute; a intoler&acirc;ncia ao exerc&iacute;cio,    inclusive utilizada para sua classifica&ccedil;&atilde;o pela New York Heart    Association (NYHA).<sup>128</sup> Ensaios cl&iacute;nicos prospectivos randomizados    t&ecirc;m demonstrado 15 a 20% de aumento na toler&acirc;ncia ao exerc&iacute;cio,    ap&oacute;s tr&ecirc;s semanas de programa de treinamento, com manuten&ccedil;&atilde;o    desse benef&iacute;cio por pelo menos dois anos.<sup>129</sup></font></p>     <p><font size="2" face="Verdana">A doen&ccedil;a arterial perif&eacute;rica possui    quadro cl&iacute;nico que varia desde a aus&ecirc;ncia de sintomas at&eacute;    a claudica&ccedil;&atilde;o aos esfor&ccedil;os, dor em repouso ou mesmo gangrena    de membros inferiores. Uma metan&aacute;lise de programas de exerc&iacute;cios    para pacientes com claudica&ccedil;&atilde;o intermitente demonstrou aumento    do &iacute;ndice tornozelo-bra&ccedil;o e da dist&acirc;ncia percorrida pelo    paciente sem dor.<sup>130</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do diabetes tipo    2</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">Estudos longitudinais mostram que o aumento da    atividade f&iacute;sica reduz o risco de desenvolvimento de diabetes tipo 2,    independentemente do grau de adiposidade<sup>131,132</sup>.</font></p>     <p><font size="2" face="Verdana">O exerc&iacute;cio aer&oacute;bico de leve a    moderada intensidade, em conjunto com leve perda de peso e dieta saud&aacute;vel,    diminui em 50% o risco de indiv&iacute;duos com intoler&acirc;ncia &agrave;    glicose evolu&iacute;rem para diabetes. Associados a mudan&ccedil;as alimentares,    ensaios cl&iacute;nicos randomizados documentam redu&ccedil;&otilde;es relativas    de risco na progress&atilde;o para um risco de 58% em menos de tr&ecirc;s anos.<sup>133,134</sup>    Uma revis&atilde;o sistem&aacute;tica sobre os efeitos do exerc&iacute;cio f&iacute;sico    no diabetes tipo 2, envolvendo 14 ensaios cl&iacute;nicos (11 randomizados),    mostrou redu&ccedil;&atilde;o da glicohemoglobina, mas n&atilde;o do &iacute;ndice    de massa corporal.<sup>135</sup></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da obesidade</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">O aumento do n&iacute;vel de atividade f&iacute;sica,    por si s&oacute;, &eacute; insuficiente para    perda ou manuten&ccedil;&atilde;o do peso de pessoas obesas. Quando associados    &agrave; dieta, j&aacute; foi demonstrado que a atividade f&iacute;sica e o    exerc&iacute;cio contribuem para a perda de peso mais r&aacute;pida, sem redu&ccedil;&atilde;o    concomitante de massa magra e com menor &iacute;ndice de recidiva do aumento    de peso.<sup>136</sup></font></p>     <p><font size="2" face="Verdana"><b>Na melhoria do perfil lip&iacute;dico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O exerc&iacute;cio aer&oacute;bico de moderada    intensidade pode elevar o HDL-colesterol, reduzir o colesterol total e os triglic&eacute;rides?<sup>137</sup></font></p>     <p><font size="2" face="Verdana">Ap&oacute;s a menopausa, mulheres t&ecirc;m um    perfil lip&iacute;dico menos favor&aacute;vel, com aumento do colesterol total,    LDL-colesterol e triglicer&iacute;deos, al&eacute;m de redu&ccedil;&atilde;o    do HDL-colesterol. Uma revis&atilde;o de estudos transversais e longitudinais    sugere que exerc&iacute;cios aer&oacute;bicos regulares no per&iacute;odo p&oacute;s-menopausa    aumentam os n&iacute;veis de HDL-colesterol, diminuem os n&iacute;veis de LDL-colesterol,    do colesterol total e da gordura corporal. Ainda h&aacute; controv&eacute;rsias    sobre os benef&iacute;cios do exerc&iacute;cio para os n&iacute;veis de HDL-colesterol,    que n&atilde;o se alteraram em dois estudos longitudinais que compararam mulheres    na p&oacute;s-menopausa, sedent&aacute;rias ou ativas, controlando-se pelo &iacute;ndice    de massa corp&oacute;rea. Entretanto, esses mesmos estudos mostraram redu&ccedil;&atilde;o    da gordura corporal total e redu&ccedil;&atilde;o da gordura abdominal.<sup>138</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o da s&iacute;ndrome    metab&oacute;lica</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: poss&iacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">Essa s&iacute;ndrome, basicamente caracterizada    por obesidade central, dislipidemia (HDL-colesterol baixo e triglic&eacute;rides    elevado), hiperglicemia e diminui&ccedil;&atilde;o da fibrin&oacute;lise associadas    &agrave; resist&ecirc;ncia &agrave; insulina e &agrave; inflama&ccedil;&atilde;o    cr&ocirc;nica e branda, pode, potencialmente, ser combatida pela pr&aacute;tica    regular de atividade f&iacute;sica de moderada intensidade, conforme documentado    anteriormente. N&atilde;o h&aacute; ensaios cl&iacute;nicos randomizados que    tenham testado, diretamente, esses efeitos na s&iacute;ndrome metab&oacute;lica.    Contudo, dados de dois ensaios cl&iacute;nicos randomizados sobre mudan&ccedil;as    de estilo de vida em pessoa com toler&acirc;ncia diminu&iacute;da &agrave; glicose    na progress&atilde;o para o diabetes ap&oacute;iam a assertiva.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o de doen&ccedil;as    do aparelho m&uacute;sculo-esquel&eacute;tico</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: convincente&#93;</b></font></p>     <p><font size="2" face="Verdana">O envelhecimento est&aacute; associado a mudan&ccedil;as    na composi&ccedil;&atilde;o corporal, com redu&ccedil;&atilde;o no conte&uacute;do    de &aacute;gua (desidrata&ccedil;&atilde;o cr&ocirc;nica), &oacute;sseo (osteopenia)    e muscular (sarcopenia) e aumento da gordura corporal. A inatividade f&iacute;sica    est&aacute; relacionada a todos esses fatores.</font></p>     <p><font size="2" face="Verdana">A osteoporose &eacute; caracterizada pela perda    de massa e desorganiza&ccedil;&atilde;o da estrutura &oacute;ssea, sendo a principal    causa de fraturas em idosos, principalmente mulheres. O exerc&iacute;cio de    resist&ecirc;ncia muscular com carga est&aacute; associado &agrave; menor perda    &oacute;ssea ao longo da vida e ao aumento da densidade &oacute;ssea na p&oacute;s-menopausa.    Caminhar com passos r&aacute;pidos parece ser o exerc&iacute;cio de escolha    na preven&ccedil;&atilde;o da osteoporose, pois contribui para o aumento da    densidade &oacute;ssea em todo o esqueleto, estejam os ossos envolvidos com    sustenta&ccedil;&atilde;o do peso ou n&atilde;o.<sup>137</sup>Al&eacute;m    disso, estudo controlado envolvendo idosas com osteoporose revelou aumento de    perda &oacute;ssea em seis meses, nos controles, contra manuten&ccedil;&atilde;o    da densidade mineral naquelas envolvidas em programas de exerc&iacute;cios com    peso.<sup>139</sup></font></p>     <p><font size="2" face="Verdana">A sarcopenia est&aacute; associada a maior instabilidade    postural, risco de quedas e imobilidade. O exerc&iacute;cio de resist&ecirc;ncia    pode resultar em ganhos de for&ccedil;a de 25 a 100% em idosos por hipertrofia    muscular e, presumivelmente, por aumento da atividade neural motora, resultando    em diminui&ccedil;&atilde;o do risco de quedas.<sup>140</sup></font></p>     <p><font size="2" face="Verdana"><b>Na manuten&ccedil;&atilde;o e melhoria da    capacidade funcional</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A capacidade de realizar atividades f&iacute;sicas    cotidianas, profissionais, esportivas, terap&ecirc;uticas e de lazer &eacute;    chamada de capacidade funcional. Ela depende de fatores como a idade, estado    nutricional e de sa&uacute;de dos indiv&iacute;duos. A capacidade de exerc&iacute;cio    e o VO2 m&aacute;ximo diminuem com a idade. O VO2 max&iacute;mo &eacute; a m&aacute;xima    quantidade de oxig&ecirc;nio, em mil&iacute;metros, que se use por quilo de    peso corporal, em um minuto. O VO2 m&aacute;ximo atinge o seu valor mais alto    entre os 15 e os 30anos de idade, declinando a seguir, gradativamente, at&eacute;    atingir, aos 60 anos, um percentual de cerca de 25% em rela&ccedil;&atilde;o    ao VO2 m&aacute;ximo &agrave; idade de 20 anos.</font></p>     <p><font size="2" face="Verdana">Estudo longitudinal em homens maiores de 20 anos    mostrou a baixa capacidade funcional como um preditor independe de mortalidade    global e por doen&ccedil;as cardiovasculares.<sup>141</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer    de c&oacute;lon</b></font></p>     ]]></body>
<body><![CDATA[<p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A an&aacute;lise da rela&ccedil;&atilde;o entre    atividade f&iacute;sica e c&acirc;ncer   de c&oacute;lon a partir de dados de estudos longitudinais e   estudos de caso-controle multic&ecirc;ntricos mostrou que   a atividade f&iacute;sica n&atilde;o &eacute;, meramente, um marcador de   estilo de vida mais saud&aacute;vel, sen&atilde;o um preditor independente,   de efeito protetor para o c&acirc;ncer de c&oacute;lon.   Por exemplo, estudo de seguimento de profissionais   de sa&uacute;de revelou que os homens com atividade f&iacute;sica   de moderada a intensa s&atilde;o tamb&eacute;m os que ingerem   menos gorduras saturadas, comem mais frutas, tomam   mais polivitam&iacute;nicos e fumam menos. Ademais, mesmo   ap&oacute;s o controle de todos esses fatores na an&aacute;lise, foi   mantida a rela&ccedil;&atilde;o inversa entre a atividade f&iacute;sica e o   risco de c&acirc;ncer de c&oacute;lon.<sup>142</sup></font></p>     <p><font size="2" face="Verdana"><b>Na preven&ccedil;&atilde;o do c&acirc;ncer    de mama</b></font></p>     <p align="right"><font size="2" face="Verdana"><b>&#91;NE: prov&aacute;vel&#93;</b></font></p>     <p><font size="2" face="Verdana">A maioria dos estudos de revis&atilde;o observa    um menor   risco de c&acirc;ncer de mama em mulheres ativas. H&aacute;   evid&ecirc;ncias convincentes do decr&eacute;scimo de risco de   c&acirc;ncer de mama com a pr&aacute;tica de pelo menos quatro   horas semanais de atividade f&iacute;sica de intensidade moderada.   Por&eacute;m, as evid&ecirc;ncias ainda s&atilde;o insuficientes   para referir uma rela&ccedil;&atilde;o dose-resposta entre atividade   f&iacute;sica e risco de c&acirc;ncer de mama.</font></p>     <p><font size="2" face="Verdana"><b>Sintonia entre as estrat&eacute;gias propostas    pela EG/OMS e a Pol&iacute;tica Nacional de Alimenta&ccedil;&atilde;o e Nutri&ccedil;&atilde;o    (PNAN)</b></font></p>     <p><font size="2" face="Verdana">A Pol&iacute;tica Nacional de Alimenta&ccedil;&atilde;o    e Nutri&ccedil;&atilde;o (PNAN), do Minist&eacute;rio da Sa&uacute;de, tem por    objetivos:</font></p>     <p><font size="2" face="Verdana">I Garantir a qualidade dos alimentos dispon&iacute;veis    para consumo no pa&iacute;s.</font></p>     <p><font size="2" face="Verdana">II Promover pr&aacute;ticas alimentares saud&aacute;veis.</font></p>     <p><font size="2" face="Verdana">III Prevenir e controlar os dist&uacute;rbios    nutricionais.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">IV Estimular a&ccedil;&otilde;es intersetoriais    que propiciem o acesso universal aos alimentos.</font></p>     <p><font size="2" face="Verdana">Para a sua consecu&ccedil;&atilde;o, foram definidas    as seguintes diretrizes de a&ccedil;&atilde;o:</font></p>     <p><font size="2" face="Verdana">a) est&iacute;mulo &agrave;s a&ccedil;&otilde;es    intersetoriais, com vistas ao acesso universal aos alimentos;</font></p>     <p><font size="2" face="Verdana">b) garantia da seguran&ccedil;a e da qualidade    dos alimentos e da presta&ccedil;&atilde;o de servi&ccedil;os nesse contexto;</font></p>     <p><font size="2" face="Verdana">c) monitora&ccedil;&atilde;o da situa&ccedil;&atilde;o    alimentar e nutricional;</font></p>     <p><font size="2" face="Verdana">d) promo&ccedil;&atilde;o de pr&aacute;ticas    alimentares e estilos de vida saud&aacute;veis;</font></p>     <p><font size="2" face="Verdana">e) preven&ccedil;&atilde;o e controle dos dist&uacute;rbios    nutricionais e de doen&ccedil;as associadas &agrave; alimenta&ccedil;&atilde;o    e nutri&ccedil;&atilde;o;</font></p>     <p><font size="2" face="Verdana">f) promo&ccedil;&atilde;o do desenvolvimento    de linhas de investiga&ccedil;&atilde;o; e</font></p>     <p><font size="2" face="Verdana">g) desenvolvimento e capacita&ccedil;&atilde;o    de recursos humanos.</font></p>     <p><font size="2" face="Verdana">Inerente a todas as a&ccedil;&otilde;es da PNAN/MS,    encontra-se a promo&ccedil;&atilde;o da alimenta&ccedil;&atilde;o saud&aacute;vel    como estrat&eacute;gia central. &Eacute; mister alertar, aqui, para outra diretriz    dessa pol&iacute;tica nacional de promo&ccedil;&atilde;o da sa&uacute;de: a    preven&ccedil;&atilde;o e controle dos dist&uacute;rbios nutricionais e de doen&ccedil;as    associadas &agrave; alimenta&ccedil;&atilde;o e nutri&ccedil;&atilde;o. Outrossim,    a intersetorialidade &eacute; reconhecida como um pilar fundamental para toda    e qualquer das diretrizes apresentadas.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">As interfaces da EG com a PNAN refletem a posi&ccedil;&atilde;o    de vanguarda ocupada pelo Brasil no contexto internacional. A intersetorialidade    expressa a sua interface mais ampla &agrave; medida que evidencia a magnitude    das a&ccedil;&otilde;es propostas, extrapolando a institui&ccedil;&atilde;o    Sa&uacute;de. Entre outros aspectos, o fato de destacar as a&ccedil;&otilde;es    de alimenta&ccedil;&atilde;o e nutri&ccedil;&atilde;o no setor Sa&uacute;de    pode alavancar e chamar a aten&ccedil;&atilde;o para a import&acirc;ncia e efetividade    da promo&ccedil;&atilde;o da alimenta&ccedil;&atilde;o saud&aacute;vel; e do    que ela pode representar, em termos de redu&ccedil;&atilde;o de gastos com Sa&uacute;de    P&uacute;blica, nos procedimentos curativos, de tratamento e recupera&ccedil;&atilde;o    do grupo de DCNT.</font></p>     <p><font size="2" face="Verdana">A promo&ccedil;&atilde;o de pr&aacute;ticas alimentares    saud&aacute;veis, que tem in&iacute;cio com o incentivo ao aleitamento materno,    est&aacute; inserida no contexto da ado&ccedil;&atilde;o de estilos de vida    saud&aacute;veis, um componente importante da promo&ccedil;&atilde;o da sa&uacute;de.    Para tanto, a socializa&ccedil;&atilde;o do conhecimento sobre os alimentos,    o processo de alimenta&ccedil;&atilde;o e a preven&ccedil;&atilde;o dos problemas    nutricionais, desde a desnutri&ccedil;&atilde;o &#8211; incluindo as car&ecirc;ncias    espec&iacute;ficas &#8211; at&eacute; a obesidade, precisa ser enfatizada. Deve-se    dedicar especial aten&ccedil;&atilde;o &agrave;s a&ccedil;&otilde;es de promo&ccedil;&atilde;o    de pr&aacute;ticas alimentares saud&aacute;veis no &acirc;mbito escolar, como,    por exemplo, o incentivo &agrave; proposi&ccedil;&atilde;o de medidas de regulamenta&ccedil;&atilde;o    da comercializa&ccedil;&atilde;o de alimentos nas cantinas das escolas.</font></p>     <p><font size="2" face="Verdana">Em termos do aleitamento materno, as atuais recomenda&ccedil;&otilde;es    est&atilde;o de pleno acordo com o C&oacute;digo Internacional de Marketing    de Substitutos do Leite Materno, &aacute;rea na qual o Brasil possui ampla experi&ecirc;ncia,    corroborada pela sua regulamenta&ccedil;&atilde;o em 1988 e ulteriores revis&otilde;es,    em 1992 e 2001-2. Na &uacute;ltima revis&atilde;o, a vers&atilde;o brasileira    do C&oacute;digo enfatiza a import&acirc;ncia do aleitamento materno exclusivo    nos seis primeiros meses de vida, assim como a manuten&ccedil;&atilde;o do aleitamento    parcial dos seis aos 24 meses, expandindo a regulamenta&ccedil;&atilde;o de    alimentos infantis at&eacute; o terceiro ano de vida. O sucesso brasileiro com    a implementa&ccedil;&atilde;o do C&oacute;digo traz uma mensagem importante    para a Estrat&eacute;gia Global de Nutri&ccedil;&atilde;o: a possibilidade efetiva    de controlar as press&otilde;es da ind&uacute;stria alimentar contra a regulamenta&ccedil;&atilde;o    de alimentos daninhos &agrave; sa&uacute;de, garantindo a proibi&ccedil;&atilde;o    da publicidade sobre as supostas vantagens nutricionais de alimentos comerciais.</font></p>     <p><font size="2" face="Verdana">Uma alimenta&ccedil;&atilde;o saud&aacute;vel    pressup&otilde;e o enfoque priorit&aacute;rio de resgate de h&aacute;bitos e    pr&aacute;ticas alimentares regionais, inerentes ao consumo de alimentos locais,    minimamente processados, culturalmente referenciados, acess&iacute;veis e de    elevado valor nutritivo, bem como a ado&ccedil;&atilde;o de padr&otilde;es alimentares    mais variados em todas as fases do ciclo de vida. Nesse particular, a iniciativa    de incentivar o consumo de legumes, verduras e frutas, tamb&eacute;m apoiada    pela FAO/OMS, vem sendo proposta e constru&iacute;da de forma intersetorial,    na perspectiva de agregar os parceiros necess&aacute;rios &agrave; sua implementa&ccedil;&atilde;o    e, assim, contribuir para a garantia de acesso da popula&ccedil;&atilde;o brasileira    a esse grupo de alimentos. Essa iniciativa, al&eacute;m de estimular o consumo    de alimentos saud&aacute;veis regionais, pode auxiliar na gera&ccedil;&atilde;o    de emprego e renda em comunidades com tradi&ccedil;&atilde;o agr&iacute;cola    ou de agricultura familiar, no &acirc;mbito de uma Pol&iacute;tica Nacional    de Seguran&ccedil;a Alimentar e Nutricional.</font></p>     <p><font size="2" face="Verdana">Ainda no contexto da promo&ccedil;&atilde;o da    alimenta&ccedil;&atilde;o saud&aacute;vel, a rotulagem nutricional &eacute;    um importante instrumento. Inserida nas diretrizes da PNAN, tal medida de a&ccedil;&atilde;o    foi introduzida no Brasil em 2002 e, a partir de 2004, consolidou-se uma legisla&ccedil;&atilde;o    unificada para os pa&iacute;ses do Mercosul. A rotulagem nutricional &eacute;    obrigat&oacute;ria para todos os produtos industrializados e embalados e tem    como objetivo principal garantir o direito &agrave; informa&ccedil;&atilde;o    do cidad&atilde;o-consumidor, auxiliando-o na sele&ccedil;&atilde;o e aquisi&ccedil;&atilde;o    de alimentos saud&aacute;veis. Mediante a identifica&ccedil;&atilde;o dos nutrientes    e ingredientes utilizados nos alimentos, &eacute; fomentada a autonomia decis&oacute;ria    dos sujeitos. Estes, devidamente informados e garantidos na sua liberdade e    conhecimento, podem fazer melhores escolhas alimentares.</font></p>     <p><font size="2" face="Verdana">Na aten&ccedil;&atilde;o aos dist&uacute;rbios    nutricionais e &agrave;s doen&ccedil;as relacionadas com a alimenta&ccedil;&atilde;o    e nutri&ccedil;&atilde;o, especialmente o sobrepeso e a obesidade, a ado&ccedil;&atilde;o    de medidas voltadas ao disciplinamento da publicidade e das pr&aacute;ticas    de <i>marketing</i> de produtos aliment&iacute;cios industrializados &#8211;    principalmente para crian&ccedil;as e adolescentes &#8211;, sobretudo em parceria    com as entidades representativas da &aacute;rea de propaganda, empresas de comunica&ccedil;&atilde;o,    entidades da sociedade civil e do setor produtivo, s&atilde;o importantes aspectos    a serem trabalhados intersetorialmente.</font></p>     <p><font size="2" face="Verdana">A PNAN e a EG compartilham do mesmo prop&oacute;sito    central: fomentar a responsabilidade compartilhada entre sociedade, setor produtivo    e setor p&uacute;blico em assumir a necessidade de mudan&ccedil;as socioambientais,    em n&iacute;vel coletivo, favorecendo escolhas saud&aacute;veis no n&iacute;vel    individual e construindo modos de vida que contemplem, como motiva&ccedil;&atilde;o    central, a promo&ccedil;&atilde;o da sa&uacute;de e a preven&ccedil;&atilde;o    de doen&ccedil;as.</font></p>     <p><font size="2" face="Verdana">A proposta da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o,    Atividade F&iacute;sica e Sa&uacute;de mostra-se, portanto, como uma oportunidade    singular para a formula&ccedil;&atilde;o e implementa&ccedil;&atilde;o de linhas    de a&ccedil;&atilde;o efetivas de redu&ccedil;&atilde;o substancial das mortes    e doen&ccedil;as em todo o mundo. A EG/OMS deve ser vista como parte de um grande    esfor&ccedil;o pela boa alimenta&ccedil;&atilde;o e atividade f&iacute;sica    em prol da Sa&uacute;de P&uacute;blica.</font></p>     <p><font size="2" face="Verdana">Se a PNAN constitui a contribui&ccedil;&atilde;o    do setor Sa&uacute;de para a elabora&ccedil;&atilde;o da Pol&iacute;tica Nacional    de Seguran&ccedil;a Alimentar e Nutricional no Brasil, o conceito de Seguran&ccedil;a    Alimentar e Nutricional (SAN) adotado pelo pa&iacute;s &quot;<i>&eacute; a garantia,    a todos, de condi&ccedil;&otilde;es de acesso a alimentos b&aacute;sicos de    qualidade, em quantidade suficiente, de modo permanente e sem comprometer o    acesso a outras necessidades b&aacute;sicas como sa&uacute;de, educa&ccedil;&atilde;o,    moradia, trabalho, lazer (...), com base em pr&aacute;ticas alimentares que    contribuem, assim, para uma exist&ecirc;ncia digna em um contexto de desenvolvimento    integral da pessoa humana</i>&quot;.</font></p>     <p><font size="2" face="Verdana">Nessa abordagem, est&aacute; claro que os fatores    determinantes da sa&uacute;de tamb&eacute;m v&atilde;o influenciar na condi&ccedil;&atilde;o    de seguran&ccedil;a alimentar e nutricional dos indiv&iacute;duos e grupos sociais.    De acordo com os aspectos destacados, a sa&uacute;de das pessoas &eacute; determinada    pela intera&ccedil;&atilde;o de fatores diversos &#8211; socioecon&ocirc;micos,    culturais, ecol&oacute;gicos, religiosos e outros. No contexto da SAN, a concep&ccedil;&atilde;o    de sa&uacute;de &eacute; positiva e abrangente, apoiada nos recursos sociais    e coletivos e n&atilde;o apenas na capacidade f&iacute;sica ou condi&ccedil;&atilde;o    biopsicol&oacute;gica dos indiv&iacute;duos.</font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana">Outro aspecto relevante do conceito de SAN diz    respeito &agrave;s dimens&otilde;es quantitativas e qualitativas do acesso aos    alimentos. Na II Confer&ecirc;ncia Nacional de Seguran&ccedil;a Alimentar e    Nutricional, a obesidade, juntamente com a desnutri&ccedil;&atilde;o, s&atilde;o    assumidas como manifesta&ccedil;&otilde;es da inseguran&ccedil;a alimentar e    nutricional. A inclus&atilde;o da obesidade no contexto da Seguran&ccedil;a    Alimentar e Nutricional (SAN) agrega valor &agrave; dimens&atilde;o qualitativa,    j&aacute; inerente ao seu conceito. Dessa forma, al&eacute;m das dimens&otilde;es    de quantidade, regularidade e dignidade, &eacute; evidente que a qualidade se    torne, tamb&eacute;m, uma refer&ecirc;ncia objetiva, concretizada na alimenta&ccedil;&atilde;o    saud&aacute;vel.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Recomenda&ccedil;&atilde;o</b></font></p>     <p><font size="2" face="Verdana">Em um pa&iacute;s como o Brasil, onde existem    desigualdades sociais e regionais imensas, a garantia da seguran&ccedil;a alimentar    e nutricional pressup&otilde;e a necessidade de um modelo de aten&ccedil;&atilde;o    &agrave; sa&uacute;de que integre essas duas faces da inseguran&ccedil;a alimentar    e nutricional da popula&ccedil;&atilde;o: a desnutri&ccedil;&atilde;o e outras    doen&ccedil;as associadas &agrave; fome, por um lado; e o sobrepeso/obesidade    e as DCNT associadas, por outro.</font></p>     <p><font size="2" face="Verdana">As proposi&ccedil;&otilde;es da EG refor&ccedil;am    a tem&aacute;tica intersetorial da SAN no pa&iacute;s. A ado&ccedil;&atilde;o    desse conceito em &acirc;mbito mundial e, particularmente, como tema central    do atual governo brasileiro, redimensiona a alimenta&ccedil;&atilde;o e a nutri&ccedil;&atilde;o    como elementos essenciais para a promo&ccedil;&atilde;o, prote&ccedil;&atilde;o    e recupera&ccedil;&atilde;o da sa&uacute;de.</font></p>     <p><font size="2" face="Verdana">O desafio de uma alimenta&ccedil;&atilde;o saud&aacute;vel    implica a mobiliza&ccedil;&atilde;o do poder p&uacute;blico e do segmento da    produ&ccedil;&atilde;o, transforma&ccedil;&atilde;o e comercializa&ccedil;&atilde;o    de alimentos dentro de uma nova &eacute;tica que considere a sa&uacute;de como    fator essencial e orientador das estrat&eacute;gias e rela&ccedil;&otilde;es    sociais e econ&ocirc;micas intra e interpa&iacute;ses. A proposta de promo&ccedil;&atilde;o    da alimenta&ccedil;&atilde;o saud&aacute;vel e da atividade f&iacute;sica pela    OMS deve ser encarada como um avan&ccedil;o, trazendo os interesses da sa&uacute;de    da popula&ccedil;&atilde;o para a esfera dos debates econ&ocirc;micos e das    rela&ccedil;&otilde;es externas do pa&iacute;s.</font></p>     <p><font size="2" face="Verdana">Entendemos que a Estrat&eacute;gia Global para    Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica e Sa&uacute;de, da Organiza&ccedil;&atilde;o    Mundial da Sa&uacute;de, baseia-se em evid&ecirc;ncias cient&iacute;ficas convincentes,    que a sua aprova&ccedil;&atilde;o e a sua implementa&ccedil;&atilde;o criam    oportunidades para promover a sa&uacute;de e prevenir o crescimento das doen&ccedil;as    cr&ocirc;nicas n&atilde;o transmiss&iacute;veis no pa&iacute;s e no mundo.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Refer&ecirc;ncias bibliogr&aacute;ficas</b></font></p>     <!-- ref --><p><font size="2" face="Verdana">1. 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Proceedings of the Nutrition Society 2001;60:107-113.</font><p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><a name="end"></a><a href="#topo"><img src="/img/revistas/ess/v14n1/seta.gif" border="0"></a><b>Endere&ccedil;o    para correspond&ecirc;ncia:    <br>   </b><b></b></font><font size="2" face="Verdana">Av. Alfredo Balena, 190, sala    8013-B,    <br>   Belo Horizonte-MG.    <br>   CEP: 30130-100    <br>   <i>E-mail</i>:<a href="mailto:sbarreto@medicina.ufmg.br">sbarreto@medicina.ufmg.br</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana"><a name="nota"></a><b><a href="#topo"><sup>*</sup></a></b>Relat&oacute;rio    do Grupo T&eacute;cnico Assessor do Minist&eacute;rio da Sa&uacute;de para An&aacute;lise    da Estrat&eacute;gia Global para Alimenta&ccedil;&atilde;o, Atividade F&iacute;sica    e Sa&uacute;de / <i>Report by the Brazilian Ministry of Health Technical Group    for the Global Strategy on Diet, Phisical Activity and Health of the World Health    Organization</i></font></p>      ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="confpro">
<source><![CDATA[Global strategy on diet, physical activity and health]]></source>
<year></year>
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<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2005</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2005</year>
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<numero>1</numero>
<fpage>41</fpage>
<lpage>68</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_arttext&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_abstract&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_pdf&amp;pid=S1679-49742005000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O presente documento analisa a Estratégia Global para Alimentação, Atividade Física e Saúde da Organização Mundial da Saúde (EG/OMS), em resposta à demanda da Portaria nº 596/GM, de 8 de abril de 2004, do Ministério da Saúde. A análise das evidências científicas que apóiam cada recomendação feita pela EG/OMS foi realizada tendo como referência os critérios definidos pelo Grupo de Peritos do Relatório 916 da OMS, o qual determina a classificação das evidências em convincente, provável, possível e insuficiente. Realizou-se reunião com os componentes do grupo responsável por este documento, para analisar as evidências científicas que apóiam a iniciativa da OMS e classificá-las por consenso, segundo os critérios utilizados na sua elaboração. Projeções para as próximas décadas indicam um crescimento epidêmico das doenças não transmissíveis - particularmente das doenças cardiovasculares, neoplasias e diabetes tipo 2 - na maioria dos países em desenvolvimento. A transição nutricional em curso nesses países, com o aumento expressivo da obesidade, é um dos fatores mais importantes para explicar essa tendência. As recomendações da EG/OMS baseiam-se em evidências científicas convincentes e criam oportunidades para promover a saúde e prevenir o crescimento da obesidade e das doenças não transmissíveis no país e no mundo. A EG/OMS é parte de um grande esforço em prol da alimentação, atividade física e Saúde Pública.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The current document analyzes the Global Strategy on Diet, Physical Activity and Health of the World Health Organization (GS/WHO), and is a response to the Brazilian Ministry of Health Directive nº 596/GM, of 8th April 2004. The criteria proposed by the WHO Report 916 were adopted to analyze the scientific evidence supporting each recommendation made by the GS/WHO, which are categorized based on a classification system of: convincing, probable, possible, and insufficient. The technical group analyzed the published evidence supporting GS/WHO recommendations and classified them by consensus, as proposed by WHO Report 916 criteria. Projections for the next decades point to an epidemic of non-transmissible diseases - particularly cardiovascular diseases, cancer and type 2 diabetes - in most developing countries. The dietary transition, due to the observed increases in obesity, is one of the most important reasons for this tendency. Recomendations by GS/WHO are based on convincing scientific evidence and create opportunities for health promotion, and for preventing of obesity and non-communicable diseases in the country and worldwilde. The GS/WHO is part of a greater effort to realize the benefits of diet, physical activity and public health.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[alimentação saudável]]></kwd>
<kwd lng="pt"><![CDATA[obesidade]]></kwd>
<kwd lng="pt"><![CDATA[atividade física]]></kwd>
<kwd lng="pt"><![CDATA[doenças crônicas]]></kwd>
<kwd lng="en"><![CDATA[diet]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[physical activity]]></kwd>
<kwd lng="en"><![CDATA[chronic diseases]]></kwd>
</kwd-group>
</article-meta>
</front>
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