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Dermatolozi poru\u010duju da je IR-A \u010detiri puta ja\u010de i \u0161tetnije od UVA i UVB zra\u010denja zajedno i da dovodi do mnogobrojnih i dugotrajnih o\u0161te\u0107enja ko\u017ee. To \u0161tetno infracrveno zra\u010denje prodire najdublje u ko\u017eu, izazivaju\u0107i brojna o\u0161te\u0107enja DNK, zbog \u010dega se direktno pove\u0107ava rizik od pojave raka ko\u017ee.<\/p>\n
– Treba biti veoma oprezan sa ultracrvenim A zra\u010denjem. Za razliku od UV zraka koji o\u0161te\u0107uju \u0107elijsku membranu, IR-A zraci prolaze u samu \u0107eliju, u mitohondrijama dovode do oksidativnog stresa i osloba\u0111anja slobodnih radikala. Tada dolazi do strukturnih promena u kolagenu, \u0161to dodatno zna\u010dajno ubrzava proces starenja ko\u017ee ve\u0107 izazvanog UV zra\u010denjem – obja\u0161nava dr Jelena Stojkovi\u0107 – Filipovi\u0107 sa Klinike za dermatovenerologiju Klini\u010dkog centra Srbije. (Blic)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
O \u0161tetnom dejstvu UV zra\u010denja se uveliko zna, ali je nedovoljno poznato da Sunce zra\u010di i infracrvenim zra\u010denjem (IR), koje<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/posts\/14030"}],"collection":[{"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/comments?post=14030"}],"version-history":[{"count":1,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/posts\/14030\/revisions"}],"predecessor-version":[{"id":14031,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/posts\/14030\/revisions\/14031"}],"wp:attachment":[{"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/media?parent=14030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/categories?post=14030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vestionline.com\/wp-json\/wp\/v2\/tags?post=14030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}