{"id":182764,"date":"2025-10-01T19:28:18","date_gmt":"2025-10-01T18:28:18","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\/"},"modified":"2025-10-01T19:28:18","modified_gmt":"2025-10-01T18:28:18","slug":"por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\/","title":{"rendered":"Por qu\u00e9 las mujeres viven m\u00e1s que los hombres: un enigma con ra\u00edces evolutivas"},"content":{"rendered":"<p>En casi todos los pa\u00edses y a lo largo de la historia, las mujeres viven m\u00e1s que los hombres. Ahora, una investigaci\u00f3n liderada por el Instituto Max Planck de Antropolog\u00eda Evolutiva (Alemania) y <a href=\"https:\/\/doi.org\/10.1126\/sciadv.ady8433\" target=\"_blank\">publicada<\/a> en la revista Science Advances ofrece nuevas claves sobre por qu\u00e9 esta brecha es tan persistente: sus ra\u00edces se hunden en la evoluci\u00f3n y no son exclusivas de nuestra especie.<\/p>\n<p>Los resultados muestran que, de media, las hembras de mam\u00edferos viven un\u00a013 % m\u00e1s\u00a0que los machos<\/p>\n<p>El equipo, con 15 colaboradores internacionales, analiz\u00f3 datos de longevidad de 1 176 especies de mam\u00edferos y aves en zool\u00f3gicos de todo el mundo. Los resultados muestran que, de media, las hembras de mam\u00edferos viven un 13 % m\u00e1s que los machos. Solamente en las aves ocurre lo contrario: los machos superan a las hembras en un 5 %.<\/p>\n<p>\u201cAunque algunas especies mostraron el patr\u00f3n opuesto a lo esperado\u201d, explica\u00a0Johanna St\u00e4rk, primera autora del estudio. \u201cPor ejemplo, en muchas rapaces las hembras no solo son m\u00e1s grandes, sino tambi\u00e9n m\u00e1s longevas que los machos. Los cromosomas sexuales son parte de la historia, pero no la explican por completo\u201d.<\/p>\n<p><a><\/a><\/p>\n<h2>Selecci\u00f3n sexual y estrategias reproductivas<\/h2>\n<p>La investigaci\u00f3n muestra que, adem\u00e1s de los factores gen\u00e9ticos,\u00a0influyen las estrategias de apareamiento. En especies pol\u00edgamas con fuerte competencia \u2014como muchos mam\u00edferos\u2014, los machos suelen morir antes. En aves, m\u00e1s a menudo mon\u00f3gamas, la presi\u00f3n competitiva es menor y los machos tienden a vivir m\u00e1s.<\/p>\n<p>El cuidado parental tambi\u00e9n resulta determinante. En mam\u00edferos, donde las hembras suelen invertir m\u00e1s tiempo en la cr\u00eda de las cr\u00edas, ellas prolongan su vida, lo que aumenta las probabilidades de que sus descendientes alcancen la madurez.<\/p>\n<p>Los avances m\u00e9dicos y sociales han estrechado la brecha entre hombres y mujeres, aunque sin eliminarla<\/p>\n<p>Las diferencias entre sexos se reducen en zool\u00f3gicos, donde los animales est\u00e1n protegidos de depredadores, enfermedades o climas extremos, pero no desaparecen del todo. Este hallazgo recuerda al caso humano: los avances m\u00e9dicos y sociales han estrechado la brecha entre hombres y mujeres, aunque sin eliminarla.<\/p>\n<p>En conjunto, los resultados sugieren que la longevidad diferencial est\u00e1 arraigada en la historia evolutiva, modulada por la selecci\u00f3n sexual, el cuidado parental y los cromosomas sexuales. Factores ambientales influyen en su magnitud, pero no pueden borrarla.<\/p>\n<p>Referencia:<\/p>\n<p>Johanna St\u00e4rk\u00a0et al, \u201cSexual selection drives sex difference in adult life expectancy across mammals and birds\u201d,\u00a0<a href=\"https:\/\/doi.org\/10.1126\/sciadv.ady8433\" target=\"_blank\">Science Advances<\/a>, 2025.<\/p>","protected":false},"excerpt":{"rendered":"<p>En casi todos los pa\u00edses y a lo largo de la historia, las mujeres viven m\u00e1s que los hombres. Ahora, una investigaci\u00f3n liderada por el Instituto Max Planck de Antropolog\u00eda Evolutiva (Alemania) y publicada en la revista Science Advances ofrece nuevas claves sobre por qu\u00e9 esta brecha es tan persistente: sus ra\u00edces se hunden en [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-182764","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Por qu\u00e9 las mujeres viven m\u00e1s que los hombres: un enigma con ra\u00edces evolutivas - bip4ex<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helloproject.es\/vigilancia\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Por qu\u00e9 las mujeres viven m\u00e1s que los hombres: un enigma con ra\u00edces evolutivas\" \/>\n<meta property=\"og:description\" content=\"En casi todos los pa\u00edses y a lo largo de la historia, las mujeres viven m\u00e1s que los hombres. Ahora, una investigaci\u00f3n liderada por el Instituto Max Planck de Antropolog\u00eda Evolutiva (Alemania) y publicada en la revista Science Advances ofrece nuevas claves sobre por qu\u00e9 esta brecha es tan persistente: sus ra\u00edces se hunden en [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/helloproject.es\/vigilancia\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\/\" \/>\n<meta property=\"og:site_name\" content=\"bip4ex\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-01T18:28:18+00:00\" \/>\n<meta name=\"author\" content=\"Luis Miguel Mej\u00edas Ramos\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Luis Miguel Mej\u00edas Ramos\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\\\/\"},\"author\":{\"name\":\"Luis Miguel Mej\u00edas Ramos\",\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/#\\\/schema\\\/person\\\/3767b0619d59a11570372c821f8619ca\"},\"headline\":\"Por qu\u00e9 las mujeres viven m\u00e1s que los hombres: un enigma con ra\u00edces evolutivas\",\"datePublished\":\"2025-10-01T18:28:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\\\/\"},\"wordCount\":443,\"publisher\":{\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/#organization\"},\"articleSection\":[\"Noticias\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\\\/\",\"url\":\"https:\\\/\\\/helloproject.es\\\/vigilancia\\\/por-que-las-mujeres-viven-mas-que-los-hombres-un-enigma-con-raices-evolutivas\\\/\",\"name\":\"Por qu\u00e9 las mujeres viven m\u00e1s que los hombres: un enigma con ra\u00edces evolutivas - 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