{"id":89,"date":"2005-08-23T20:43:38","date_gmt":"2005-08-23T18:43:38","guid":{"rendered":"http:\/\/192.168.1.2\/sp\/?p=89"},"modified":"2010-09-21T16:29:19","modified_gmt":"2010-09-21T14:29:19","slug":"personas-viejas","status":"publish","type":"post","link":"https:\/\/spanish.martinvarsavsky.net\/?p=89","title":{"rendered":"Las Personas Viejas son Personas Nuevas"},"content":{"rendered":"<p>Hace dos a\u00f1os escrib\u00ed un art\u00edculo titulado \u201cProgramando a los Humanos durante las Vacaciones\u201d, en el que argumentaba que descifrar el genoma humano constitu\u00eda el primer paso de un arduo proceso para entender la gen\u00e9tica. Dec\u00eda que mientras algunas personas tem\u00edan que el hecho de experimentar con genes se dar\u00eda en unos pocos a\u00f1os, mi pensamiento era que probablemente estamos a un siglo de distancia de poder cambiar los programas gen\u00e9ticos de los seres vivos, siendo el primer objetivo el de revertir el proceso por el que envejecemos.<br \/>\n<!--more--><br \/>\nAs\u00ed que mientras era consciente por un tiempo que yo y todas las plantas y animales estamos gen\u00e9ticamente programados para envejecer y morir, manten\u00eda una creencia err\u00f3nea que el libro de Bill Bryson me ha clarificado. Sab\u00eda que nacemos con un n\u00famero fijo de neuronas y que las vamos perdiendo a medida que vamos envejeciendo. Sin embargo, lo que no sab\u00eda es que no hay una sola mol\u00e9cula en una persona de 90 a\u00f1os que haya estado  presente cuando la misma ten\u00eda 80 a\u00f1os.  Es decir que una persona de 90 a\u00f1os es completamente una nueva persona respecto de lo que era a los 80. No s\u00f3lo estamos programados para envejecer, sino que adem\u00e1s lo estamos para \u201crenovarnos\u201d a medida que lo hacemos. Este \u00abdescubrimiento\u00bb har\u00e1 que mire de manera distinta a las personas mayores de ahora en adelante. No como personas que alguna vez fueron j\u00f3venes y luego se convirtieron en viejos, sino como actores cuyo gui\u00f3n -sus genes-, le dice como actuar al convertirse en personas mayores por m\u00e1s que les guste o no.<\/p>\n<p>Las personas mayores se hacen viejas en un per\u00edodo corto de tiempo. Bryson no llega a las ra\u00edces de por qu\u00e9 ocurre el fen\u00f3meno del envejecimiento, pero por m\u00e1s triste que pueda parecer puedo ver cierto valor en el envejecimiento:   que luego de pasar nuestros genes y vivir lo suficiente para criar a nuestros hijos, queda poco por hacer para nosotros en el mundo que pueda tener alg\u00fan impacto evolutivo.<\/p>\n<p>Las personas viejas con un gran estado f\u00edsico necesitar\u00edan grandes cantidades de recursos para sobrevivir y competir\u00edan por ellos, entre otros, contra sus hijos y sus nietos. Contra sus propios genes.<\/p>\n<p>\u00bfSon entonces las personas viejas humanos que se reinventan a si mismos mientras envejecen, para dirigirse lentamente a un suicidio gen\u00e9tico planificado? En efecto, as\u00ed es.<\/p>\n<div id=\"mainphotoarea\"><\/div><div class=\"theme-buttons\"><div class=\"fb-like\" data-href=\"https:\/\/spanish.martinvarsavsky.net\/?p=89\" data-send=\"false\" data-layout=\"box_count\" data-width=\"71\" data-show-faces=\"false\" data-font=\"arial\" data-locale=\"es_ES\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Hace dos a\u00f1os escrib\u00ed un art\u00edculo titulado \u201cProgramando a los Humanos durante las Vacaciones\u201d, en el que argumentaba que descifrar el genoma humano constitu\u00eda el primer paso de un arduo proceso para entender la gen\u00e9tica. Dec\u00eda que mientras algunas personas tem\u00edan que el hecho de experimentar con genes se dar\u00eda en unos pocos a\u00f1os, mi [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[543,544,542,480],"class_list":["post-89","post","type-post","status-publish","format-standard","hentry","category-general","tag-bill-bryson","tag-edad","tag-salud","tag-ser-humano"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Martin Varsavsky\"\/>\n\t<meta name=\"keywords\" content=\"bill bryson,edad,salud,ser humano,general\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/spanish.martinvarsavsky.net\/?p=89\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta 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