{"id":1384214,"date":"2026-07-14T15:22:12","date_gmt":"2026-07-14T13:22:12","guid":{"rendered":"https:\/\/dnaera.com\/cs\/?p=1384214"},"modified":"2026-07-14T15:22:13","modified_gmt":"2026-07-14T13:22:13","slug":"opalite-se-do-hneda-nebo-se-spalite","status":"publish","type":"post","link":"https:\/\/dnaera.com\/cs\/blog\/opalite-se-do-hneda-nebo-se-spalite\/","title":{"rendered":"Op\u00e1l\u00edte se do hn\u011bda, nebo se sp\u00e1l\u00edte? Va\u0161e geny v tom maj\u00ed jasno."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>S p\u0159\u00edchodem l\u00e9ta p\u0159ib\u00fdv\u00e1 tepl\u00fdch a slune\u010dn\u00fdch dn\u016f. Zat\u00edmco kr\u00e1tk\u00fd pobyt na slunci m\u016f\u017ee b\u00fdt pro celkov\u00e9 zdrav\u00ed prosp\u011b\u0161n\u00fd, dlouhodob\u00e9 vystavov\u00e1n\u00ed se ultrafialov\u00e9mu (UV) z\u00e1\u0159en\u00ed je naopak \u0161kodliv\u00e9. Ka\u017ed\u00fd z n\u00e1s si jist\u011b v\u0161iml, \u017ee poko\u017eka ka\u017ed\u00e9ho \u010dlov\u011bka reaguje na slunce jinak.\u00a0<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u011bkdo se op\u00e1l\u00ed rychle a snadno, zat\u00edmco jin\u00fd m\u00e1 sp\u00ed\u0161e sklon ke sp\u00e1len\u00ed k\u016f\u017ee. Na vin\u011b je <strong>ko\u017en\u00ed barvivo melanin, kter\u00e9 m\u00e1 dv\u011b formy<\/strong>. Prvn\u00ed je hn\u011bd\u00e1 a\u017e \u010dern\u00e1 a naz\u00fdv\u00e1 se eumelanin, druh\u00e1 je feomelanin a m\u00e1 \u017elutou a\u017e \u010dervenou barvu. <strong>Eumelanin<\/strong> se vyskytuje u lid\u00ed, kte\u0159\u00ed maj\u00ed op\u00e1lenou poko\u017eku, hn\u011bd\u00e9 o\u010di a snadno se opaluj\u00ed. <strong>Feomelanin<\/strong> je p\u0159\u00edtomen p\u0159ev\u00e1\u017en\u011b u lid\u00ed, kte\u0159\u00ed maj\u00ed sv\u011btlou poko\u017eku i o\u010di a maj\u00ed blond nebo zrzav\u00e9 vlasy, p\u0159\u00edpadn\u011b pihy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Co je op\u00e1len\u00ed?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Op\u00e1len\u00ed je p\u0159irozen\u00e1 ochrana poko\u017eky p\u0159ed UV z\u00e1\u0159en\u00edm. To m\u00e1 schopnost pronikat hloub\u011bji do poko\u017eky ne\u017e viditeln\u00e9 sv\u011btlo a vzhledem k tomu, \u017ee m\u00e1 vysokou energii, po\u0161kozuje struktury uvnit\u0159 bun\u011bk. Doch\u00e1z\u00ed t\u00edm tak\u00e9 k po\u0161kozen\u00ed DNA a jeliko\u017e bu\u0148ka nen\u00ed schopna ji opravit, odum\u00edr\u00e1. Takto po\u0161kozen\u00e9 bu\u0148ky zp\u016fsobuj\u00ed z\u00e1n\u011bt a dal\u0161\u00ed reakce, kter\u00e9 maj\u00ed typick\u00e9 projevy. T\u011blo reaguje na vystaven\u00ed UV z\u00e1\u0159en\u00ed zv\u00fd\u0161enou tvorbou melaninu, kter\u00fd pom\u00e1h\u00e1 chr\u00e1nit bu\u0148ky p\u0159ed dal\u0161\u00edm po\u0161kozen\u00edm. Nadm\u011brn\u00e9 opalov\u00e1n\u00ed je pova\u017eov\u00e1no za hlavn\u00ed faktor vzniku rakoviny k\u016f\u017ee. Na\u0161e genetika ovliv\u0148uje, kolik a jak\u00fd melanin se u n\u00e1s bude tvo\u0159it, a t\u00edm p\u0159edur\u010duje i reakci na\u0161\u00ed poko\u017eky na opalov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mezi p\u0159\u00edznaky sp\u00e1len\u00ed k\u016f\u017ee pat\u0159\u00ed:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>zarudnut\u00ed<\/li>\n\n\n\n<li>bolest<\/li>\n\n\n\n<li>sv\u011bd\u011bn\u00ed<\/li>\n\n\n\n<li>puch\u00fd\u0159e<\/li>\n\n\n\n<li>otok<\/li>\n\n\n\n<li>zimnice<\/li>\n\n\n\n<li>hore\u010dka<\/li>\n\n\n\n<li>nevolnost<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong><strong><strong><strong><strong>Jak se chr\u00e1nit p\u0159ed sp\u00e1len\u00edm?<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud m\u00e1te sv\u011btlou poko\u017eku, zrzav\u00e9 nebo blond vlasy, sv\u011btl\u00e9 o\u010di nebo v\u00e1m genetick\u00e1 anal\u00fdza prok\u00e1\u017ee vy\u0161\u0161\u00ed n\u00e1chylnost ke sp\u00e1len\u00ed, je vhodn\u00e9 b\u00fdt je\u0161t\u011b opatrn\u011bj\u0161\u00ed. Tito lid\u00e9 se obvykle sp\u00e1l\u00ed rychleji, maj\u00ed vy\u0161\u0161\u00ed celo\u017eivotn\u00ed riziko po\u0161kozen\u00ed k\u016f\u017ee a vzniku rakoviny k\u016f\u017ee.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je tak\u00e9 d\u016fle\u017eit\u00e9 v\u011bd\u011bt, \u017ee op\u00e1len\u00ed nen\u00ed zn\u00e1mkou zdrav\u00e9 poko\u017eky. P\u0159edstavuje obrannou reakci organismu na po\u0161kozen\u00ed DNA zp\u016fsoben\u00e9 UV z\u00e1\u0159en\u00edm. I kdy\u017e se poko\u017eka op\u00e1l\u00ed bez viditeln\u00e9ho sp\u00e1len\u00ed, k \u010d\u00e1ste\u010dn\u00e9mu po\u0161kozen\u00ed bun\u011bk ji\u017e do\u0161lo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Co tedy pom\u016f\u017ee:<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vyh\u00fdbat se pobytu na slunci<\/li>\n\n\n\n<li>ochrann\u00e9 pom\u016fcky (slune\u010dn\u00ed br\u00fdle, UV oble\u010den\u00ed, pokr\u00fdvka hlavy, slune\u010dn\u00edk)<\/li>\n\n\n\n<li>pou\u017e\u00edv\u00e1n\u00ed opalovac\u00edch kr\u00e9m\u016f s SPF 30 a v\u00edce<\/li>\n\n\n\n<li>opatrnost u povrch\u016f, kter\u00e9 odr\u00e1\u017eej\u00ed sv\u011btlo, jako je voda, sn\u00edh a p\u00edsek<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong><strong><strong><strong>Nov\u00fd v\u00fdsledek <strong>ve va\u0161\u00ed DNA anal\u00fdze<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/app.dnaera.com\/sign-in?&amp;lng=cz\">P\u0159ihlaste se<\/a> ke sv\u00fdm v\u00fdsledk\u016fm. Nov\u00e1 funkce je od nyn\u011bj\u0161ka zdarma k dispozici pro v\u0161echny na\u0161e st\u00e1vaj\u00edc\u00ed z\u00e1kazn\u00edky. Z\u00e1rove\u0148 ji bude m\u00edt ve sv\u00e9 anal\u00fdze ka\u017ed\u00fd budouc\u00ed z\u00e1kazn\u00edk, kter\u00fd vstoup\u00ed do sv\u011bta DNA s <a href=\"https:\/\/dnaera.com\/cs\/produkt\/dna-complex-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">DNA Complex testem<\/a>. Zjist\u011bte o sob\u011b v\u00edce i vy a zam\u011b\u0159te se na c\u00edlenou prevenci.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong><strong>Zdroje<\/strong><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li class=\"has-small-font-size\">Tang, X., Yang, T., Yu, D., Xiong, H., &amp; Zhang, S. (2024). Current insights and future perspectives of ultraviolet radiation (UV) exposure: Friends and foes to the skin and beyond the skin.\u00a0<em>Environment international<\/em>,\u00a0<em>185<\/em>, 108535.\u00a0<\/li>\n\n\n\n<li class=\"has-small-font-size\">Ansary, T. M., Hossain, M. R., Kamiya, K., Komine, M., &amp; Ohtsuki, M. (2021). Inflammatory Molecules Associated with Ultraviolet Radiation-Mediated Skin Aging.\u00a0<em>International journal of molecular sciences<\/em>,\u00a0<em>22<\/em>(8), 3974.\u00a0<\/li>\n\n\n\n<li class=\"has-small-font-size\">Bernerd, F., Passeron, T., Castiel, I., &amp; Marionnet, C. (2022). The Damaging Effects of Long UVA (UVA1) Rays: A Major Challenge to Preserve Skin Health and Integrity. International journal of molecular sciences, 23(15), 8243.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>S p\u0159\u00edchodem l\u00e9ta p\u0159ib\u00fdv\u00e1 tepl\u00fdch a slune\u010dn\u00fdch dn\u016f. Zat\u00edmco kr\u00e1tk\u00fd pobyt na slunci m\u016f\u017ee b\u00fdt pro celkov\u00e9 zdrav\u00ed prosp\u011b\u0161n\u00fd, dlouhodob\u00e9 vystavov\u00e1n\u00ed se ultrafialov\u00e9mu (UV) z\u00e1\u0159en\u00ed je naopak \u0161kodliv\u00e9. Ka\u017ed\u00fd z n\u00e1s si jist\u011b v\u0161iml, \u017ee poko\u017eka ka\u017ed\u00e9ho \u010dlov\u011bka reaguje na slunce jinak.\u00a0 N\u011bkdo se op\u00e1l\u00ed rychle a snadno, zat\u00edmco jin\u00fd m\u00e1 sp\u00ed\u0161e sklon ke sp\u00e1len\u00ed [&hellip;]<\/p>\n","protected":false},"author":876,"featured_media":1384215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":"[]"},"categories":[33],"tags":[58,59,100],"place-taxonomy":[84],"class_list":["post-1384214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs","tag-dna-analyza","tag-dna-test","tag-predispozice"],"acf":[],"views":2722,"_links":{"self":[{"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/posts\/1384214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/users\/876"}],"replies":[{"embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/comments?post=1384214"}],"version-history":[{"count":1,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/posts\/1384214\/revisions"}],"predecessor-version":[{"id":1384216,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/posts\/1384214\/revisions\/1384216"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/media\/1384215"}],"wp:attachment":[{"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/media?parent=1384214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/categories?post=1384214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/tags?post=1384214"},{"taxonomy":"place-taxonomy","embeddable":true,"href":"https:\/\/dnaera.com\/cs\/wp-json\/wp\/v2\/place-taxonomy?post=1384214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}