<!doctype html>
<html dir="ltr" lang="es">
<head>
<!-- meta data -->
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1">
<link rel='canonical' href='https://magazine.medlineplus.gov/es/issues/Invierno-2020'>
<title>NIH MedlinePlus Magazine</title>
<meta property="og:url" content="https://magazine.medlineplus.gov/es/issues/winter-2020">
<link rel="alternate" hreflang="en" href="https://magazine.medlineplus.gov/issues/winter-2020">
<link rel="alternate" hreflang="es" href="https://magazine.medlineplus.gov/es/issues/Invierno-2020">
<meta name="google-site-verification" content="1vqBPMloWNSvBFlS5qlOUjpWHxdv1TfmfFrH-tfYpcs" />
<!-- styles -->
<link rel="shortcut icon" type="image/x-icon" href="/images/design/favicon.ico">
<link href="/css/font-awesome.css" rel="stylesheet" type="text/css" media="all">
<link href="/css/uswds.min.css" rel="stylesheet" type="text/css" media="all">
<!-- link rel="stylesheet" type="text/css" media="all" href="https://magazine.medlineplus.gov/es/?css=custom/styles-2020.v.1632316900" / -->
<link href="/css/style.css" rel="stylesheet" type="text/css" media="all">
<link href="/css/slick.css" rel="stylesheet" type="text/css">
<link href="/css/responsive.css" rel="stylesheet" type="text/css" media="all">
<!-- fluid styles -->
<link rel="stylesheet" type="text/css" media="all" href="https://magazine.medlineplus.gov/es/?css=custom/fluid-styles.v.1702498498" />
<!-- google tag manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MMVM77');</script>
</head>
<body>
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MMVM77" height="0" width="0" style="display:none;visibility:hidden" title="googletagmanager"></iframe></noscript>
<a class="usa-skipnav" href="#main-content">Saltar al contenido principal</a>
<!-- Wrapper -->
<div class="wrapper">
<div id="top"></div>
<!-- Container -->
<header role="banner">
<div class="usa-accordion">
<div class="usa-header-top">
<div class="usa-grid">
<div class="usa-width-one-half top_logo">
<div class="usa-top-logo es-logo">
<img src="/themes/ee/site/default/asset/img/common/es/nlm-logo-new.svg" alt="Biblioteca Nacional de Medicina">
</div>
</div>
</div>
<!--<div class="usa-banner-content usa-grid usa-accordion-content" id="gov-banner">
<div class="usa-banner-guidance-gov usa-width-one-half">
<img class="usa-banner-icon usa-media_block-img" src="/images/design/icon-dot-gov-white.svg" alt="Dot gov">
<div class="usa-media_block-body">
<p>
El .gov significa que es oficial.<br> Los sitios web del gobierno federal generalmente terminan en .gov o .mil. Antes de compartir información confidencial, verifique que usted está en un sitio del gobierno federal.
</p>
</div>
</div>
<div class="usa-banner-guidance-ssl usa-width-one-half">
<img class="usa-banner-icon usa-media_block-img" src="/images/design/icon-https-white.svg" alt="Https">
<div class="usa-media_block-body">
<p>
El sitio es seguro.<br> El <em>https://</em> le asegura que usted se está conectando al sitio web oficial y que toda la información que dé estará cifrada y se transmitirá de manera segura.
</p>
</div>
</div>
</div>-->
</div>
</div>
<div class="usa-grid usa-logo-grid">
<div class="nih-logo">
<img src="/images/design/es/nih-mobile.svg" alt="NIH logo">
</div>
<div class="usa-width-two-thirds">
<div class="usa-logo">
<a href="/es/"><img src="/images/design/es/medlineplus-logo2.png" alt="Medlineplus"></a>
</div>
<div class="tagline">
<p>Información de confianza de los Institutos Nacionales de la Salud de los EE.UU.</p>
</div>
<button class="usa-menu-btn">Menú</button>
</div>
<div class="usa-width-one-third">
<div class="lang-mobile">
<a href="https://magazine.medlineplus.gov/issues/winter-2020">English</a>
</div>
<div class="usa-social">
<ul>
<li>
<a href="https://magazine.medlineplus.gov/issues/winter-2020">English</a>
</li>
<li><a href="https://magazine.medlineplus.gov/home/nih-medlineplus-revista-es.feed"><i class="fa fa-rss-square" aria-hidden="true"></i>rss</a></li>
<li><a href="https://www.facebook.com/nationallibraryofmedicine"><i class="fa fa-facebook-square" aria-hidden="true"></i>facebook</a></li>
<li><a href="https://twitter.com/NLM_NIH" target="_blank"><img src=/images/uploads/multimedia/twitter.svg class="twit" alt="Twitter"></a></li>
<li><a href="https://www.youtube.com/user/NLMNIH"><i class="fa fa-youtube-square" aria-hidden="true"></i>youtube</a></li>
<li><a href="https://public.govdelivery.com/accounts/USNLMOCPL/subscriber/new?preferences=true"><i class="fa fa-envelope" aria-hidden="true"></i></a></li>
</ul>
</div>
<div class="usa-search-box">
<form class="usa-search usa-search-small" id="search_form" action="https://search.usa.gov/search" accept-charset="UTF-8" method="get" data-publisher-ignored="yes">
<input name="utf8" type="hidden" value="✓" /><input type="hidden" name="affiliate" id="affiliate" value="mpl-mag-es" />
<div role="search">
<label for="basic-search-field-small">Busque</label>
<input id="basic-search-field-small" type="search" class="search-form usagov-search-autocomplete" placeholder="Busque..." name="query" autocomplete="off" >
<button type="submit" name="commit"><i class="fa fa-search"></i>Busque</button>
</div>
</form>
</div>
</div>
</div>
</header>
<div class="usa-navbar-section" role="navigation">
<!-- navbar -->
<div class="usa-grid">
<nav role="navigation" class="usa-nav">
<div class="usa-nav-inner">
<button class="usa-nav-close">
<img src="/images/design/close.svg" alt="cerrar">
</button>
<ul class="usa-nav-primary usa-accordion">
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-one">
<span>Salud de A-Z</span>
</button>
<ul id="extended-nav-section-one" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/topic/anxiety/">Ansiedad</a>
</li>
<li>
<a href="/es/topic/antidepressants/">Antidepresivos</a>
</li>
<li>
<a href="/es/topic/breast-cancer/">Cáncer de seno</a>
</li>
<li>
<a href="/es/topic/cholesterol/">Colesterol</a>
</li>
<li>
<a href="/es/topic/COVID-19/">el COVID-19</a>
</li>
<li>
<a href="/es/topic/hypothyroidism/">Hipotiroidismo</a>
</li>
<li>
<a href="/es/topic/palliative-care/">Cuidado paliativo</a>
</li>
<li>
<a href="/es/topic/physical-activity/">Actividad físico</a>
</li>
<li>
<a href="/es/topic/skin-conditions/">Enfermedades de la piel</a>
</li>
<li>
<a href="/es/topics/"><strong>Ver todos los temas</strong></a>
</li>
</ul>
</li>
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-two">
<span>La investigación de los NIH</span>
</button>
<ul id="extended-nav-section-two" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/research-highlights/">Investigación destacada</a>
</li>
<li>
<a href="/es/nih-technology-breakthroughs/">Avances tecnológicos de los NIH</a>
</li>
<li>
<a href="/es/meet-the-researcher/">Conozca a los investigadores</a>
</li>
<li>
<a href="/es/nih-resources/">Recursos de los NIH</a>
</li>
</ul>
</li>
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-three">
<span>Números de la revista</span>
</button>
<ul id="extended-nav-section-three" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/issues/current">El número actual</a>
</li>
<li>
<a href="/es/issues/past-issues/">Números anteriores</a>
</li>
<li>
<a href="/es/issues/issue-archive">Revistas archivadas</a>
</li>
</ul>
</li>
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-five">
<span>Multimedia</span>
</button>
<ul id="extended-nav-section-five" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/multimedia/video/">Video</a>
</li>
<li>
<a href="/es/multimedia/infographics/">Infografia</a>
</li>
<li>
<a href="/es/multimedia/health-fast-facts/">Datos breves</a>
</li>
<li>
<a href="/es/multimedia/landing/">Todo multimedia</a>
</li>
</ul>
</li>
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-six">
<span>acerca </span>
</button>
<ul id="extended-nav-section-six" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/about/the-magazine-team">contáctanos</a>
</li>
</ul>
</li>
<li>
<button class="usa-accordion-button usa-nav-link" aria-expanded="false" aria-controls="extended-nav-section-four">
<span>Suscríbase</span>
</button>
<ul id="extended-nav-section-four" class="usa-nav-submenu" aria-hidden="true">
<li>
<a href="/es/subscribe/">actualización de correo electrónico</a>
</li>
</ul>
</li>
</ul>
<div class="usa-search-box">
<form class="usa-search usa-search-small" id="search_form_mobile" action="https://search.usa.gov/search" accept-charset="UTF-8" method="get" data-publisher-ignored="yes">
<input name="utf8" type="hidden" value="✓" /><input type="hidden" name="affiliate" id="affiliate-mobile" value="mpl-mag-es" />
<div role="search">
<label for="basic-search-field-small-mobile">Busque</label>
<input id="basic-search-field-small-mobile" type="search" class="search-form" placeholder="Busque..." name="query" autocomplete="off" >
<button type="submit" name="commit"><i class="fa fa-search"></i>Busque</button>
</div>
</form>
</div>
</div>
</nav>
</div>
</div>
<main>
</main>
<!-- Segment 1: issues -->
<!-- <section class="inbox_section" role="region" aria-labelledby="subscribe">
<div class="usa-grid" id="subscribe">
<h2>Reciba nuestra información de salud en su correo electrónico </h2>
<form id="GD-snippet-form" action="https://public.govdelivery.com/accounts/USNLMMPESP/subscribers/qualify" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="✓"><input type="hidden" name="authenticity_token" value="OeU9MfItfMSol50YaSjAcmcQRtT6URpOkPGlBjiGdl2y+g+pvuJ5LVQrQw/Rw8jkXQ9vAAI3V18uaWo2+mmLvw==" data-publisher-ignored="yes">
<p>Suscríbase a nuestro boletín</p>
<label for="signup">Suscríbase</label>
<input id="signup" type="email" class="input_form" placeholder="Ingrese su dirección de correo electrónico ..." required>
<button type="submit" class="submit_btn">Suscríbase</button>
</form>
</div>
</section> -->
<footer role="contentinfo">
<div class="footer_top">
<div class="usa-grid">
<div class="usa-width-one-fourth footer_bottom_right">
<div class="" aria-label="Social Links">
<p class="font-white mt-1 mb--1"><a href="https://www.nlm.nih.gov/socialmedia/index.html"> Conéctese con NLM</a></p>
<ul>
<li><a href="https://www.facebook.com/nationallibraryofmedicine" target="_blank"><img src=/images/uploads/multimedia/facebook.svg alt="Facebook"></a></li>
<li><a href="https://www.linkedin.com/company/national-library-of-medicine-nlm/" target="_blank"><img src=/images/uploads/multimedia/linkedin.svg alt="LinkedIn"></a></li>
<li><a href="https://twitter.com/NLM_NIH" target="_blank"><img src=/images/uploads/multimedia/twitter.svg alt="Twitter"></a></li>
<li><a href="https://www.youtube.com/user/NLMNIH" target="_blank"><img src=/images/uploads/multimedia/youtube.svg alt="YouTube"></a></li>
<li><a href="https://public.govdelivery.com/accounts/USNLMOCPL/subscriber/new?preferences=true" target="_blank"><img src=/images/uploads/multimedia/mail.svg alt="email"></a></li>
</ul>
</div>
</div>
<div class="usa-width-one-fourth mt-1">
<p class="font-white">Biblioteca Nacional de Medicina
<br>8600 Rockville Pike
<br> Bethesda, MD 20894
</p>
</div>
<div class="footer_top_middle" role="navigation" aria-label="Footer Menu">
<ul class="usa-width-one-fourth footer_list mt-1">
<li><a href="https://medlineplus.gov/spanish/copyright.html" class="" target="_blank">Derechos de autor</a></li> <li><a href="https://www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office" class="" target="_blank">FOIA</a></li>
<li><a href="https://www.nlm.nih.gov/politica_de_privacidad.html" class="" target="_blank">Política de privacidad</a></li>
</ul>
<ul class="usa-width-one-fourth mt-1">
<li><a href="https://support.nlm.nih.gov/" class="" target="_blank">Centro de soporte de NLM</a></li>
<li><a href="https://www.nlm.nih.gov/accessibility.html" class="" target="_blank">Accesibilidad</a></li>
<li><a href="https://www.nlm.nih.gov/careers/jobopenings.html" class="" target="_blank">Сarreras</a></li>
</ul>
</div>
</div>
</div>
<div class="footer_bottom">
<div class="usa-grid">
<div class="footer_bottom_left" role="navigation" aria-label="Footer External Links">
<ul>
<p class="text-center text-white"> <a class="text-white" href="//www.nlm.nih.gov/">NLM</a> | <a class="text-white" href="https://www.nih.gov/">NIH</a> | <a class="text-white" href="https://www.hhs.gov/">HHS</a> | <a class="text-white" href="https://www.usa.gov/">USA.gov</a></p>
</div>
</div>
</div>
<a href="#top" class="scroll-btn scroll fa fa-angle-up"><i>Ir al principio</i></a>
</footer>
</div>
<script src="https://code.jquery.com/jquery-3.6.0.slim.min.js" integrity="sha256-u7e5khyithlIdTpu22PHhENmPcRdFiHRjhAuHcs05RI=" crossorigin="anonymous"></script>
<!-- script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha256-3edrmyuQ0w65f8gfBsqowzjJe2iM6n0nKciPUp8y+7E=" crossorigin="anonymous"></script -->
<script src="/js/uswds.min.js"></script>
<!-- script src="/js/jquery-1.9.1.min.js"></script -->
<!-- script src="/js/jquery.easing.1.3.js"></script -->
<script src="/js/slick.min.js"></script>
<script src="/js/jquery.easing.1.4.min.js"></script>
<script src="/js/custom.js?t=1740551876"></script>
<script>
//<![CDATA[
var usasearch_config = {siteHandle:"mlp-mag"};
var script = document.createElement("script");
script.type = "text/javascript";
script.src = "//search.usa.gov/javascripts/remote.loader.js";
document.getElementsByTagName("head")[0].appendChild(script);
//]]>
</script>
<script src="https://www.nlm.nih.gov/coop_all.js"></script>
<script>
var createCookie = function(name, value, days) {
if (days) {
var date = new Date();AC
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
var expires = '; expires=' + date.toGMTString();
}
else var expires = '';
document.cookie = name + '=' + value + expires + '; path=/';
};
var readCookie = function(name) {
var nameEQ = name + '=';
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
};
var eraseCookie = function(name) {
createCookie(name, '', -1);
};
function coopcookie() {
$(".insertcoop").hide();
createCookie("coop", "hidden");
};
if (!readCookie("coop"))
{
if (coopMedlinePlusMagazineSpa && window.location.href.includes("medlineplus.gov/es/"))
{
$( "header" ).append( $(coopMedlinePlusMagazineSpa) );
}
else
{
if (coopMedlinePlusMagazineEng)
{
$( "header" ).append( $(coopMedlinePlusMagazineEng) );
}
}
}
if (readCookie("coop"))
{$(".insertcoop").hide();}
else
{$(".insertcoop").show();}
</script>
</body>
</html>