{"id":49937,"date":"2014-11-02T11:00:00","date_gmt":"2014-11-02T11:00:00","guid":{"rendered":"http:\/\/desarrollo.mcvicious.com\/aero2020\/2014\/11\/02\/ipor-que-cuando-uno-se-rasca-la-picazon-aumenta\/"},"modified":"2014-11-02T11:00:00","modified_gmt":"2014-11-02T11:00:00","slug":"ipor-que-cuando-uno-se-rasca-la-picazon-aumenta","status":"publish","type":"post","link":"https:\/\/aeronoticias.com.pe\/noticiero\/salud\/ipor-que-cuando-uno-se-rasca-la-picazon-aumenta\/","title":{"rendered":"\u00bfPor qu\u00e9 cuando uno se rasca la picaz\u00f3n aumenta?"},"content":{"rendered":"<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"images\/stories\/14\/11\/021114\/a9.jpg\" border=\"0\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(Aeronoticias).-<\/strong> Rascarse, el m\u00e1s dulce alivio para una fastidiosa picaz\u00f3n. Sin embargo, las ganas de rascarse van aumentando hasta llegar al punto de herir la piel. \u00bfPor qu\u00e9 ocurre esto? Un estudio realizado por la Universidad de Washington (EE.UU.) habr\u00eda descubierto el motivo, e inclusive una soluci\u00f3n.<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p>  <!--more-->  <\/p>\n<p>Seg\u00fan el estudio publicado en la revista Neuron, ha identificado a la serotonina, un neurotransmisor que ayuda a controlar el dolor, como el elemento principal que ocasiona el aumento en las ganas de rascarse.<\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: justify;\">Para Zhou-Feng Chen, miembro del equipo de investigaci\u00f3n, las personas contin\u00faan rasc\u00e1ndose, a pesar de que podr\u00eda terminar en sangrado, porque esperan que el dolor inhiba la picaz\u00f3n. Sin embargo, al sentir dolor el cerebro libera serotonina, la cual lo controla y lo disminuye.<\/p>\n<p style=\"text-align: justify;\">Para determinar el papel de la serotonina en este fen\u00f3meno, los cient\u00edficos obstruyeron su producci\u00f3n (bloqueando el receptor 5HT1A) en un grupo de ratas de laboratorio, a las cuales se les hab\u00eda inyectado previamente una sustancia que aumenta la sensaci\u00f3n de picaz\u00f3n.<\/p>\n<p style=\"text-align: justify;\">Los resultados mostraron que estos roedores disminuyeron grandemente la urgencia de rascarse, en comparaci\u00f3n a otro grupo que produc\u00eda serotonina de una manera normal.<\/p>\n<p style=\"text-align: justify;\">Este descubrimiento servir\u00e1 en un futuro para desarrollar una cura para aquellas personas que sufren de picaz\u00f3n cr\u00f3nica y otras enfermedades que producen este fen\u00f3meno.<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">Fuente: <strong><em>El Comercio<\/em><\/strong><\/p>\n<p style=\"text-align: justify;\">Foto: <strong><em>El Comercio<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Aeronoticias).- Rascarse, el m\u00e1s dulce alivio para una fastidiosa picaz\u00f3n. Sin embargo, las ganas de rascarse van aumentando hasta llegar al punto de herir la piel. \u00bfPor qu\u00e9 ocurre esto? Un estudio realizado por la Universidad de Washington (EE.UU.) habr\u00eda descubierto el motivo, e inclusive una soluci\u00f3n. \u00a0<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[37],"tags":[],"class_list":{"0":"post-49937","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-salud"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfPor qu\u00e9 cuando uno se rasca la picaz\u00f3n aumenta?<\/title>\n<meta name=\"description\" content=\"Portal de noticias del Per\u00fa sobre el transporte a\u00e9reo, aviaci\u00f3n, turismo, hoteleria, actualidad.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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