{"id":110011,"date":"2026-07-04T00:18:39","date_gmt":"2026-07-03T22:18:39","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=110011"},"modified":"2026-07-03T08:38:59","modified_gmt":"2026-07-03T06:38:59","slug":"rozsahla-studie-s-vice-nez-470-000-ucastniky-zpochybnuje-dogma-o-ochrane-pred-sluncem","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/07\/04\/rozsahla-studie-s-vice-nez-470-000-ucastniky-zpochybnuje-dogma-o-ochrane-pred-sluncem\/","title":{"rendered":"Rozs\u00e1hl\u00e1 studie s v\u00edce ne\u017e 470 000 \u00fa\u010dastn\u00edky zpochyb\u0148uje dogma o ochran\u011b p\u0159ed sluncem"},"content":{"rendered":"
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Zdravotnick\u00e9 org\u00e1ny, dermatologov\u00e9 a kosmetick\u00fd pr\u016fmysl ji\u017e des\u00edtky let tvrd\u00ed: opalovac\u00ed kr\u00e9m chr\u00e1n\u00ed p\u0159ed rakovinou k\u016f\u017ee. Rozs\u00e1hl\u00e1 britsk\u00e1\u00a0<\/span>studie<\/span><\/a>\u00a0zalo\u017een\u00e1 na britsk\u00e9 biobance v\u0161ak nyn\u00ed vyvol\u00e1v\u00e1 debatu. Anal\u00fdza v\u00edce ne\u017e 470 000 \u00fa\u010dastn\u00edk\u016f odhalila p\u0159ekvapivou korelaci: lid\u00e9, kte\u0159\u00ed uvedli, \u017ee pravideln\u011b pou\u017e\u00edvaj\u00ed opalovac\u00ed kr\u00e9m, m\u011bli v\u00fdrazn\u011b vy\u0161\u0161\u00ed riziko r\u016fzn\u00fdch forem rakoviny k\u016f\u017ee \u2013 a to i po statistick\u00e9m o\u010di\u0161t\u011bn\u00ed o \u0159adu zn\u00e1m\u00fdch rizikov\u00fdch faktor\u016f.<\/span><\/p>\n

Studie nedokazuje, \u017ee opalovac\u00ed kr\u00e9m zp\u016fsobuje rakovinu k\u016f\u017ee. Vyvol\u00e1v\u00e1 v\u0161ak ot\u00e1zky, kter\u00e9 vzhledem k rozsahu studie nelze zcela vylou\u010dit.<\/span><\/p>\n

Mezi v\u0161emi t\u0159emi typy rakoviny k\u016f\u017ee existuje n\u00e1padn\u00e1 korelace.<\/span><\/h2>\n

V\u011bdci analyzovali data od v\u00edce ne\u017e 470 000 \u00fa\u010dastn\u00edk\u016f britsk\u00e9 biobanky a porovnali jejich informace o ochran\u011b p\u0159ed sluncem s pozd\u011bj\u0161\u00edmi diagn\u00f3zami rakoviny k\u016f\u017ee.<\/span><\/p>\n

V\u00fdsledek byl p\u0159ekvapiv\u00fd:<\/span><\/p>\n

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  • Riziko vzniku malign\u00edho melanomu bylo statisticky asi o 292 procent vy\u0161\u0161\u00ed u b\u011b\u017en\u00fdch u\u017eivatel\u016f.<\/span><\/li>\n
  • V p\u0159\u00edpad\u011b bazaliomu byla korelace kolem 140 procent.<\/span><\/li>\n
  • U dla\u017edicobun\u011b\u010dn\u00e9ho karcinomu je m\u00edra p\u0159ibli\u017en\u011b 126 procent.<\/span><\/li>\n<\/ul>\n

    V\u00fdzkumn\u00edci upravili sv\u00e9 v\u00fdpo\u010dty s ohledem na faktory, jako je v\u011bk, pohlav\u00ed, typ pleti, barva vlas\u016f, schopnost opalov\u00e1n\u00ed, sp\u00e1leniny od slunce v d\u011btstv\u00ed, pou\u017e\u00edv\u00e1n\u00ed sol\u00e1ri\u00ed a \u010das str\u00e1ven\u00fd venku. Statistick\u00e1 korelace v\u0161ak z\u016fstala zachov\u00e1na.<\/span><\/p>\n

    Auto\u0159i nehovo\u0159\u00ed o d\u016fkazech.<\/span><\/h2>\n

    Sami v\u011bdci v\u00fdslovn\u011b zd\u016fraz\u0148uj\u00ed, \u017ee jejich studie nem\u016f\u017ee prok\u00e1zat vztah p\u0159\u00ed\u010diny a n\u00e1sledku.<\/span><\/p>\n

    Je mo\u017en\u00e9, \u017ee lid\u00e9 s obzvl\u00e1\u0161t\u011b citlivou poko\u017ekou nebo s ji\u017e tak zv\u00fd\u0161en\u00fdm rizikem rakoviny k\u016f\u017ee pou\u017e\u00edvaj\u00ed opalovac\u00ed kr\u00e9m \u010dast\u011bji. Data rovn\u011b\u017e neodhaluj\u00ed, jak\u00fd typ opalovac\u00edho kr\u00e9mu byl pou\u017eit. Kategorie \u201eOchrana p\u0159ed sluncem\/UV z\u00e1\u0159en\u00edm\u201c zahrnuje r\u016fzn\u00e1 ochrann\u00e1 opat\u0159en\u00ed a nerozli\u0161uje mezi miner\u00e1ln\u00edmi a chemick\u00fdmi opalovac\u00edmi kr\u00e9my ani jin\u00fdmi formami ochrany p\u0159ed UV z\u00e1\u0159en\u00edm.<\/span><\/p>\n

    Z\u016fst\u00e1v\u00e1 v\u0161ak ot\u00e1zkou, pro\u010d byla korelace i po rozs\u00e1hl\u00fdch statistick\u00fdch korekc\u00edch st\u00e1le tak jasn\u011b viditeln\u00e1.<\/span><\/p>\n

    T\u00e9ma, kter\u00e9 je ji\u017e l\u00e9ta p\u0159edm\u011btem kontroverzn\u00edch debat.<\/span><\/h2>\n

    Epidemiolog Nicolas Hulscher pova\u017euje studii za d\u016fvod ke kritick\u00e9mu p\u0159ezkoum\u00e1n\u00ed sou\u010dasn\u00fdch doporu\u010den\u00ed. Poukazuje na to, \u017ee mnoho konven\u010dn\u00edch opalovac\u00edch kr\u00e9m\u016f obsahuje chemick\u00e9 UV filtry, jako je oxybenzon, oktokrylen nebo homosal\u00e1t. N\u011bkter\u00e9 z t\u011bchto l\u00e1tek byly v jin\u00fdch studi\u00edch detekov\u00e1ny v krvi, mo\u010di nebo dokonce v mate\u0159sk\u00e9m ml\u00e9ce a kv\u016fli jejich potenci\u00e1ln\u00edm hormon\u00e1ln\u00edm \u00fa\u010dink\u016fm jsou ji\u017e l\u00e9ta p\u0159edm\u011btem v\u011bdeck\u00e9 debaty.<\/span><\/p>\n

    Zvy\u0161uje opalovac\u00ed kr\u00e9m skute\u010dn\u011b riziko rakoviny k\u016f\u017ee? Epidemiolog Nicolas Hulscher analyzuje novou studii s v\u00edce ne\u017e 470 000 lidmi, kter\u00e1 zjistila, \u017ee u\u017eivatel\u00e9 opalovac\u00edho kr\u00e9mu maj\u00ed dramaticky vy\u0161\u0161\u00ed v\u00fdskyt v\u0161ech z\u00e1va\u017en\u00fdch druh\u016f rakoviny k\u016f\u017ee. Sledujte The Matt Gaetz Show je\u0161t\u011b dnes na YouTube TV!<\/span><\/em><\/p>\n