{"id":25844,"date":"2025-02-07T15:12:33","date_gmt":"2025-02-07T18:12:33","guid":{"rendered":"https:\/\/agencia.unq.edu.ar\/?p=25844"},"modified":"2025-02-07T15:13:19","modified_gmt":"2025-02-07T18:13:19","slug":"rascarse-el-placer-culposo-que-destruye-la-piel","status":"publish","type":"post","link":"https:\/\/agencia.unq.edu.ar\/?p=25844","title":{"rendered":"Rascarse: el placer culposo que destruye la piel"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">Investigadores descubren c\u00f3mo este acto desencadena un c\u00f3ctel inflamatorio que empeora los problemas cut\u00e1neos.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1040\" height=\"420\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2025\/02\/shutterstock-rascarse.jpg\" alt=\"\u00bfNos rascamos porque nos pica, y nos pica porque nos rascamos? Un c\u00edrculo vicioso con base cient\u00edfica. Cr\u00e9dito: shutterstock.\n\" class=\"wp-image-25845\"\/><figcaption class=\"wp-element-caption\">\u00bfNos rascamos porque nos pica, y nos pica porque nos rascamos? Un c\u00edrculo vicioso con base cient\u00edfica. Cr\u00e9dito: Shutterstock.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Rascarse es una de esas peque\u00f1as grandes satisfacciones de la vida. Un mosquito le arruina la noche, pero ah\u00ed est\u00e1 usted, con la u\u00f1a afilada, d\u00e1ndose el gusto. Es un placer primitivo, casi instintivo, que tiene algo de venganza: la picaz\u00f3n lo desaf\u00eda, pero usted gana. \u00bfO no?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sin embargo, la ciencia dice que rascarse es, en realidad, un negocio ruinoso para la piel. La <a href=\"http:\/\/agencia.unq.edu.ar\/?author=7\" target=\"_blank\" rel=\"noopener\" title=\"\">Agencia de Noticias Cient\u00edficas de la Universidad Nacional de Quilmes<\/a>, accedi\u00f3 a un reciente estudio de la<strong> Universidad de Pittsburgh<\/strong>, publicado en la prestigiosa revista <strong>Science<\/strong>, donde se revela que este simple gesto puede convertirse en un boomerang inflamatorio. Es decir,  aunque rascarse puede traer un alivio moment\u00e1neo, en realidad se convierte en su peor enemigo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El experimento es de manual: tomaron ratones, les hicieron una especie de eczema inducido y los dejaron rascarse como locos. Resultado: m\u00e1s inflamaci\u00f3n, m\u00e1s c\u00e9lulas inmunes descontroladas y m\u00e1s da\u00f1o en la piel. Los ratones que no pod\u00edan rascarse\u2014porque les pusieron esos collares tipo &#8220;cono de la verg\u00fcenza&#8221;\u2014se salvaron del desastre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pero aqu\u00ed viene la paradoja: rascarse tambi\u00e9n tiene un lado positivo. Seg\u00fan explican, rascarse ayuda a eliminar bacterias como el <strong>Staphylococcus aureus<\/strong> , que es el villano n\u00famero uno en infecciones cut\u00e1neas. Entonces, \u00bfes bueno o es malo?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La clave est\u00e1 en una sustancia llamada &#8220;P&#8221;, que se libera al rascarse y activarse los mastocitos,<\/strong> esas c\u00e9lulas que manejan la inflamaci\u00f3n como si fueran barras bravas en un partido de ascenso. Si la piel ya est\u00e1 irritada, los mastocitos se encienden a\u00fan m\u00e1s, llamando a m\u00e1s c\u00e9lulas inflamatorias y armando un esc\u00e1ndalo en la dermis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O sea, al rascarse se termina\u00a0empeorando todo, pero al mismo tiempo la piel se defiende mejor de las infecciones. Un equilibrio complicado&#8230; \u00bfEntonces qu\u00e9 se hace? Los cient\u00edficos buscan formas de bloquear la inflamaci\u00f3n sin perder la ventaja de la protecci\u00f3n bacteriana.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mientras tanto, la recomendaci\u00f3n es la de siempre: no se rasque. Claro, f\u00e1cil de decir, pero a ver qui\u00e9n resiste.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-e31d8b4a alignwide uagb-is-root-container\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-55d4c858\"><h4 class=\"uagb-heading-text\">\u00daltimas noticias de la secci\u00f3n Salud:<\/h4><\/div>\n\n\n\n\t\t\t<div class=\"wp-block-uagb-post-carousel uagb-post-grid  uagb-post__image-position-top uagb-post__image-enabled uagb-block-24e22604     uagb-post__arrow-outside uagb-slick-carousel uagb-post__items uagb-post__columns-3 is-carousel uagb-post__columns-tablet-2 uagb-post__columns-mobile-1\" data-total=\"44\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38852\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/09\/wikimedia-1.jpg\" class=\"attachment-medium size-medium\" alt=\"Una tragedia en Palermo reabre una pregunta clave: c\u00f3mo el CO deja al cerebro y al coraz\u00f3n sin ox\u00edgeno sin que la v\u00edctima advierta el peligro. Cr\u00e9ditos: Wikimedia.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38852\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Mon\u00f3xido de carbono en Argentina: 781 intoxicaciones y 12 muertes en 2026<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38643\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/Nublado.jpg\" class=\"attachment-medium size-medium\" alt=\"Seg\u00fan el SMN, la tendencia de los d\u00edas nublados podr\u00edan continuar hasta octubre. Cr\u00e9ditos: Radio del plata.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38643\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Menos luz, menos \u00e1nimo: \u00bfde qu\u00e9 manera los d\u00edas nublados pueden afectar el reloj biol\u00f3gico\u00a0de las personas?<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38503\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/argentina.gob_.jpg\" class=\"attachment-medium size-medium\" alt=\"La perfusi\u00f3n regional normot\u00e9rmica restablece de manera controlada sangre y ox\u00edgeno en determinados \u00f3rganos despu\u00e9s de certificarse el fallecimiento del donante. Cr\u00e9ditos: Argentina.gob.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38503\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Trasplante de \u00f3rganos en Argentina: c\u00f3mo funciona la nueva t\u00e9cnica que aprob\u00f3 el INCUCAI<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38461\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/istock.jpg\" class=\"attachment-medium size-medium\" alt=\"Una ca\u00edda a alta velocidad puede provocar traumatismos importantes, especialmente cuando los chicos circulan sin casco ni supervisi\u00f3n adecuada. Cr\u00e9dito: Istock.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38461\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Monopatines el\u00e9ctricos: el juguete que no es un juguete y ya preocupa a los m\u00e9dicos<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38390\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/wallmart.jpg\" class=\"attachment-medium size-medium\" alt=\"Un nuevo estudio pone bajo la lupa al pl\u00e1stico de los envases. Cr\u00e9dito: Walmart.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38390\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Descubren un nuevo factor que podr\u00eda empeorar el h\u00edgado graso<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38358\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/Salud-mental-redes-sociales.jpg\" class=\"attachment-medium size-medium\" alt=\"Cr\u00e9ditos: Psicolog\u00eda y Mente.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38358\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Un estudio demuestra que las redes sociales pueden generar ansiedad en cuesti\u00f3n de minutos\u00a0<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38297\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/Ideali-de-belleza.jpg\" class=\"attachment-medium size-medium\" alt=\"Cr\u00e9ditos: Aragolaser.\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38297\" target=\"_self\" rel=\"bookmark noopener noreferrer\">&#8220;Alloclae&#8221; y &#8220;yesoterapia&#8221;: \u00bfpor qu\u00e9 siempre aparece una nueva forma de modificar el cuerpo?<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38265\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"388\" src=\"https:\/\/agencia.unq.edu.ar\/wp-content\/uploads\/2026\/08\/Diagnostico-y-redes-sociales-salud-mental.jpg\" class=\"attachment-medium size-medium\" alt=\"Cr\u00e9ditos: Ennewsssv.com\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/agencia.unq.edu.ar\/?p=38265\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Entre algoritmos y autodiagn\u00f3sticos: c\u00f3mo las redes sociales moldean la conversaci\u00f3n sobre salud mental<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Investigadores descubren c\u00f3mo este acto desencadena un c\u00f3ctel inflamatorio que empeora los problemas cut\u00e1neos.<\/p>\n","protected":false},"author":7,"featured_media":25845,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"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 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[16,9],"tags":[],"class_list":["post-25844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticia-destacada","category-salud"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Investigadores descubren c\u00f3mo este acto desencadena un c\u00f3ctel inflamatorio que empeora los problemas cut\u00e1neos.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Mar\u00eda Ximena Perez\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/agencia.unq.edu.ar\/?p=25844\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" 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