{"id":3251,"date":"2012-02-21T15:42:54","date_gmt":"2012-02-21T18:42:54","guid":{"rendered":"http:\/\/www.mrtrader.com.ar\/?p=3251"},"modified":"2012-02-27T08:50:28","modified_gmt":"2012-02-27T11:50:28","slug":"luz-edad-y-salud","status":"publish","type":"post","link":"https:\/\/www.mrtrader.com.ar\/?p=3251","title":{"rendered":"Luz , edad y salud"},"content":{"rendered":"<p> Los cient\u00edficos han buscado explicaciones en cuanto a porqu\u00e9 ciertas condiciones ocurren con la edad, entre ellas p\u00e9rdida de memoria, el tiempo de reacci\u00f3n m\u00e1s lento, el insomnio e incluso la depresi\u00f3n mirando a sospechosos tales como alimentos ricos en colesterol, obesidad, enfermedad card\u00edaca y una forma de vida pasiva.<\/p>\n<p><a href=\"http:\/\/www.mrtrader.com.ar\/wp-content\/uploads\/2012\/02\/gratituda111.jpg\"><img decoding=\"async\" loading=\"lazy\" style=\"border-bottom: 0px; border-left: 0px; margin: 10px 10px 0px 5px; display: inline; border-top: 0px; border-right: 0px\" title=\"Luz y salud\" border=\"0\" alt=\"Luz y salud\" align=\"left\" src=\"http:\/\/www.mrtrader.com.ar\/wp-content\/uploads\/2012\/02\/gratituda111_thumb.jpg\" width=\"164\" height=\"244\" \/><\/a>Ahora Laurie Tarkan (escritora sobre temas de salud en New York Time) escribe, \u201ccomo los ojos envejecen, cada vez menos la luz del sol consigue pasar a trav\u00e9s de la lente y alcanzar las c\u00e9lulas dominantes en la retina que regulan el ritmo circadiano del cuerpo, o sea el reloj interno que armoniza al cuerpo para abordar el d\u00eda, este eleva el metabolismo por la ma\u00f1ana y lo reduce en la noche, permitiendo que el cuerpo se recline y repare\u201d.<\/p>\n<p>La evoluci\u00f3n ha construido este mecanismo hermoso de cronometraje, pero este reloj no es absolutamente perfecto y necesita un empuje&#160; diario,&#160; dice al Dr. David Berson, cuyo laboratorio en la universidad de Brown estudia c\u00f3mo el ojo se comunica con el cerebro.<\/p>\n<p>La Dr. Patricia Turner, oftalm\u00f3loga que con su marido, el Dr. Martin Mainster ha escrito extensivamente sobre los efectos del ojo sobre el envejecimiento, estima que a los 45 a\u00f1os de edad, los fotorreceptores del adulto medio reciben apenas 50% de la luz necesaria para estimular completamente el sistema circadiano, a los 55, cae al 37%, y a los 75, a un 17%.<\/p>\n<\/p>\n<p>Ellos recomiendan que la gente debe hacer un esfuerzo para exponerse a la luz del sol brillante o a la iluminaci\u00f3n de interior brillante cuando no se puede conseguirla al aire libre y haber instalado los tragaluces y las luces fluorescentes adicionales en sus propias oficinas para ayudar a la compensaci\u00f3n el envejecimiento de sus propios ojos.<\/p>\n<p><!--more--><\/p>\n<p>Dice a Turner, en la sociedad moderna, la mayor parte del tiempo vivimos en un ambiente controlado bajo luces artificiales, que son de 1.000 a 10.000 veces menos intensas que luz del sol y no tienen el mismo espectro. Creemos que el efecto es enorme y apenas comienza a ser reconocido como problema.<\/p>\n<p><a title=\"New York Time\" href=\" http:\/\/www.nytimes.com\/2012\/02\/21\/health\/aging-of-eyes-is-blamed-in-circadian-rhythm-disturbances.html?_r=1\" rel=\"nofollow\" target=\"_blank\">Fuente en ingl\u00e9s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los cient\u00edficos han buscado explicaciones en cuanto a porqu\u00e9 ciertas condiciones ocurren con la edad, entre ellas p\u00e9rdida de memoria, el tiempo de reacci\u00f3n m\u00e1s lento, el insomnio e incluso la depresi\u00f3n mirando a sospechosos tales como alimentos ricos en colesterol, obesidad, enfermedad card\u00edaca y una forma de vida pasiva. Ahora Laurie Tarkan (escritora sobre [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1010],"tags":[1119,486,1118,656],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Luz , edad y salud - M r. T r a d e r<\/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:\/\/www.mrtrader.com.ar\/?p=3251\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Luz , edad y salud - M r. 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