{"id":11805,"date":"2019-09-13T00:00:00","date_gmt":"2019-09-12T22:00:00","guid":{"rendered":"http:\/\/web-server-devel.mgc.es\/com-afecta-la-capa-dozo-a-la-salut\/"},"modified":"2021-03-11T10:33:34","modified_gmt":"2021-03-11T09:33:34","slug":"com-afecta-la-capa-dozo-a-la-salut","status":"publish","type":"post","link":"https:\/\/www.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/","title":{"rendered":"Com afecta la capa d&#8217;oz\u00f3 a la salut?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndex de continguts<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/#Que_es_la_capa_dozo_i_quina_es_la_seva_funcio\" >Qu\u00e8 \u00e9s la capa d&#8217;oz\u00f3 i quina \u00e9s la seva funci\u00f3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/#La_incidencia_de_lafebliment_de_la_capa_dozo_en_la_salut\" >La incid\u00e8ncia de l&#8217;afebliment de la capa d&#8217;oz\u00f3 en la salut<\/a><\/li><\/ul><\/nav><\/div>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2019\/09\/ozono-salud.jpg\" alt=\"capa de ozono\" class=\"wp-image-6508\"\/><\/figure>\n\n\n\n<p>La disminuci\u00f3 de la capa d&#8217;oz\u00f3 redueix la protecci\u00f3 natural que ofereix l&#8217;atmosfera de la Terra contra la radiaci\u00f3 ultraviolada del sol, que \u00e9s nociva per a la salut humana. En el Dia Internacional de la Preservaci\u00f3 de la Capa d&#8217;Oz\u00f3, volem repassar la implicaci\u00f3 que t\u00e9 la capa d&#8217;oz\u00f3 sobre la salut.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Que_es_la_capa_dozo_i_quina_es_la_seva_funcio\"><\/span>Qu\u00e8 \u00e9s la capa d&#8217;oz\u00f3 i quina \u00e9s la seva funci\u00f3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La capa d&#8217;oz\u00f3 \u00e9s una fina franja de gas que <strong>protegeix la Terra dels efectes nocius dels raigs solars<\/strong>. Es concentra en l&#8217;estratosfera recobrint la Terra (aproximadament dels 15 km als 50 km d&#8217;altitud) i absorbeix entre un 97 i un 99% de la radiaci\u00f3 ultraviolada de baixa freq\u00fc\u00e8ncia, que \u00e9s nociva per a la salut humana.<\/p>\n\n\n\n<p>L&#8217;\u00fas que s&#8217;ha fet durant anys de certs productes qu\u00edmics ha debilitat la capa d&#8217;oz\u00f3 i ha posat en perill la salut humana i els ecosistemes. Afortunadament, l&#8217;esfor\u00e7 internacional conjunt ha perm\u00e8s que, de mica en mica, es vagi recuperant i s&#8217;espera que l&#8217;oz\u00f3 es recuperi completament a l&#8217;hemisferi nord l&#8217;any 2030, a l&#8217;hemisferi sud el 2050 i deu anys despr\u00e9s a les regions polars.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"La_incidencia_de_lafebliment_de_la_capa_dozo_en_la_salut\"><\/span>La incid\u00e8ncia de l&#8217;afebliment de la capa d&#8217;oz\u00f3 en la salut<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La sobreexposici\u00f3 a la radiaci\u00f3 ultraviolada que implica la reducci\u00f3 de la capa d&#8217;oz\u00f3 comporta alguns problemes de salut que hem de tenir en compte:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Increment del c\u00e0ncer de pell<\/h3>\n\n\n\n<p>Els raigs ultraviolats, sobretot els UVB, penetren en les capes superiors de la pell, i causen <strong>cremades solars<\/strong> i danyen l&#8217;ADN de les c\u00e8l\u00b7lules de la pell. Quan aquest dany afecta l&#8217;ADN dels gens que controlen el creixement d&#8217;aquestes c\u00e8l\u00b7lules es produeix el <strong>c\u00e0ncer de pell<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Envelliment prematur de la pell<\/h3>\n\n\n\n<p>Els raigs UVA penetren profundament en la pell i a llarg termini s\u00f3n els responsables d\u2019un <strong>envelliment prematur<\/strong>. Aquest es manifesta per l&#8217;aparici\u00f3 de l\u00ednies fines i arrugues, un to de pell irregular (despigmentaci\u00f3) i taques d&#8217;envelliment (lent\u00edgens solars o senils).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Danys oculars<\/h3>\n\n\n\n<p>Les investigacions han demostrat que la radiaci\u00f3 UV augmenta les probabilitats de tenir <strong>cataractes<\/strong>, una p\u00e8rdua de transpar\u00e8ncia en el cristal\u00b7l\u00ed de l&#8217;ull que ennuvola la visi\u00f3.<\/p>\n\n\n\n<p>Tamb\u00e9 pot ser un factor de desenvolupament d&#8217;altres lesions oculars, com ara la <strong>ping\u00fc\u00e8cula i el pterigi<\/strong> (creixements a la conjuntiva de l&#8217;ull que poden bloquejar la visi\u00f3) i la <strong>degeneraci\u00f3 macular<\/strong> (trastorn ocular que afecta la m\u00e0cula, una part de la retina, i destrueix lentament la visi\u00f3 central i aguda, la qual cosa dificulta la lectura i la visualitzaci\u00f3 de detalls) o el c\u00e0ncer de pell al voltant dels ulls.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2019\/09\/ozono-envejecimiento.jpg\" alt=\"envejecimiento de la piel\" class=\"wp-image-6507\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Debilitament del sistema immunol\u00f2gic<\/h3>\n\n\n\n<p>Els estudis cient\u00edfics han revelat que una sobreexposici\u00f3 a la radiaci\u00f3 UV pot <strong>suprimir el funcionament del sistema immunol\u00f2gic<\/strong> del cos i les defenses naturals de la pell.<\/p>\n\n\n\n<p>Per prevenir aquests problemes de salut hem d&#8217;evitar l&#8217;exposici\u00f3 directa al sol durant les hores centrals del dia, usar protecci\u00f3 solar amb fps alt i que serveixi per als raigs UVB i UVA i utilitzar ulleres de sol homologades que ofereixin una protecci\u00f3 adequada enfront de la radiaci\u00f3 ultraviolada.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La disminuci\u00f3 de la capa d&#8217;oz\u00f3 redueix la protecci\u00f3 natural que ofereix l&#8217;atmosfera de la Terra contra la radiaci\u00f3 ultraviolada del sol, que \u00e9s nociva per a la salut humana. En el Dia Internacional de la Preservaci\u00f3 de la Capa d&#8217;Oz\u00f3, volem repassar la implicaci\u00f3 que t\u00e9 la capa d&#8217;oz\u00f3 sobre la salut.<\/p>\n","protected":false},"author":3,"featured_media":14845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[666,665],"tags":[398,425,580,504,514,471],"class_list":["post-11805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-habits-saludables","category-vida-sana-ca","tag-cancer-ca","tag-envelliment","tag-salut","tag-salut-visual","tag-sistema-inmunologic","tag-ulls"],"featured_image_src":"https:\/\/www.mgc.es\/wp-content\/uploads\/2019\/11\/ozono-salud.jpg","author_info":{"display_name":"Revista Inter\u00e8s Mutu","author_link":"https:\/\/www.mgc.es\/ca\/blog\/author\/interesmutu\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Com afecta la capa d&#039;oz\u00f3 a la salut? - MGC M\u00fatua<\/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.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Com afecta la capa d&#039;oz\u00f3 a la salut? - MGC M\u00fatua\" \/>\n<meta property=\"og:description\" content=\"La disminuci\u00f3 de la capa d&#8217;oz\u00f3 redueix la protecci\u00f3 natural que ofereix l&#8217;atmosfera de la Terra contra la radiaci\u00f3 ultraviolada del sol, que \u00e9s nociva per a la salut humana. En el Dia Internacional de la Preservaci\u00f3 de la Capa d&#8217;Oz\u00f3, volem repassar la implicaci\u00f3 que t\u00e9 la capa d&#8217;oz\u00f3 sobre la salut.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/\" \/>\n<meta property=\"og:site_name\" content=\"MGC M\u00fatua\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mgcmutua\" \/>\n<meta property=\"article:published_time\" content=\"2019-09-12T22:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-03-11T09:33:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2019\/11\/ozono-salud.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"530\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Revista Inter\u00e8s Mutu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mgcmutua\" \/>\n<meta name=\"twitter:site\" content=\"@mgcmutua\" \/>\n<meta name=\"twitter:label1\" content=\"Escrit per\" \/>\n\t<meta name=\"twitter:data1\" content=\"Revista Inter\u00e8s Mutu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Temps estimat de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuts\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Com afecta la capa d'oz\u00f3 a la salut? - MGC M\u00fatua","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mgc.es\/ca\/blog\/com-afecta-la-capa-dozo-a-la-salut\/","og_locale":"ca_ES","og_type":"article","og_title":"Com afecta la capa d'oz\u00f3 a la salut? - MGC M\u00fatua","og_description":"La disminuci\u00f3 de la capa d&#8217;oz\u00f3 redueix la protecci\u00f3 natural que ofereix l&#8217;atmosfera de la Terra contra la radiaci\u00f3 ultraviolada del sol, que \u00e9s nociva per a la salut humana. 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