{"id":51784,"date":"2026-04-23T13:59:18","date_gmt":"2026-04-23T13:59:18","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/51784\/"},"modified":"2026-04-23T13:59:18","modified_gmt":"2026-04-23T13:59:18","slug":"su-rysave-vlasy-evolucna-vyhoda-nove-poznatky-prinasaju-zaujimave-zistenia","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/51784\/","title":{"rendered":"S\u00fa ry\u0161av\u00e9 vlasy evolu\u010dn\u00e1 v\u00fdhoda? Nov\u00e9 poznatky prin\u00e1\u0161aj\u00fa zauj\u00edmav\u00e9 zistenia"},"content":{"rendered":"<p>#Mo\u017eno si si niekedy vypo\u010dul vtipy a\u00a0stereotypy o\u00a0ry\u0161av\u00fdch \u013eu\u010foch. Najnov\u0161ie vedeck\u00e9 zistenia v\u0161ak nazna\u010duj\u00fa, \u017ee g\u00e9n t\u00fdchto \u013eud\u00ed je v\u00a0nie\u010dom v\u00fdnimo\u010dn\u00fd. Pr\u00e1ve on m\u00f4\u017ee by\u0165 jedn\u00fdm z d\u00f4vodov, pre\u010do sa \u013eu\u010fom v minulosti darilo pre\u017ei\u0165.<\/p>\n<p>Evol\u00facia st\u00e1le napreduje<\/p>\n<p>Ak si mysl\u00ed\u0161, \u017ee \u013eudsk\u00e1 evol\u00facia sa u\u017e d\u00e1vno zastavila, vyvedieme \u0165a z\u00a0omylu. Nov\u00e1 vedeck\u00e1 <a href=\"https:\/\/www.theguardian.com\/science\/2026\/apr\/16\/red-hair-gene-favoured-natural-selection-study\" target=\"_blank\" rel=\"noopener external noreferrer nofollow\" data-wpel-link=\"external\">\u0161t\u00fadia<\/a>, ktor\u00e1 sa zaoberala \u013eudskou genetikou ukazuje, \u017ee v\u00fdvoj \u010dloveka pokra\u010duje aj dnes. A dokonca r\u00fdchlej\u0161ie, ne\u017e si v\u0161etci mysleli.<\/p>\n<p>Vedci <a href=\"https:\/\/www.indy100.com\/science-tech\/ginger-redhed-genetics-improves-humanity\" target=\"_blank\" rel=\"noopener external noreferrer nofollow\" data-wpel-link=\"external\">analyzovali<\/a> obrovsk\u00e9 mno\u017estvo d\u00e1t v\u00a0podobe tis\u00edciek vzoriek starovekej DNA a tis\u00edce modern\u00fdch gen\u00f3mov, v\u010faka \u010domu dok\u00e1zali sledova\u0165, ako sa ur\u010dit\u00e9 g\u00e9ny menili v priebehu posledn\u00fdch 10-tis\u00edc rokov. V\u00fdsledok prekvapil aj sk\u00fasen\u00fdch odborn\u00edkov \u2013 pr\u00edroda st\u00e1le akt\u00edvne \u201euprednost\u0148uje\u201c niektor\u00e9 vlastnosti, ktor\u00e9 maj\u00fa geneticky dan\u00e9 majitelia ry\u0161av\u00fdch vlasov.<\/p>\n<p>\u0160okuj\u00face zistenie<\/p>\n<p>Jedn\u00fdm z najzauj\u00edmavej\u0161\u00edch zisten\u00ed v\u00fdskumu je fakt, \u017ee g\u00e9n spojen\u00fd s ry\u0161av\u00fdmi vlasmi sa v Eur\u00f3pe objavuje \u010doraz \u010dastej\u0161ie, a\u00a0rozhodne to nie je n\u00e1hoda. Za v\u0161etk\u00fdm pravdepodobne stoj\u00ed vitam\u00edn D. V oblastiach s men\u0161\u00edm mno\u017estvom slne\u010dn\u00e9ho \u017eiarenia, ako je napr\u00edklad Eur\u00f3pa, maj\u00fa \u013eudia so svetlou poko\u017ekou a ry\u0161av\u00fdmi vlasmi v\u00fdhodu \u2013 ich telo dok\u00e1\u017ee efekt\u00edvnej\u0161ie vyu\u017e\u00edva\u0165 vitam\u00edn D zo slnka.<\/p>\n<p>T\u00e1to podmienka bola v minulosti z\u00e1sadn\u00fdm faktorom pre pre\u017eitie, najm\u00e4 ke\u010f strava nebola tak\u00e1 pestr\u00e1 na \u017eiviny ako je dnes. V\u00a0minulosti naozaj dok\u00e1zali \u013eudsk\u00e9 g\u00e9ny rozhodova\u0165 o\u00a0tom, \u010di jedinec pre\u017eije najbli\u017e\u0161iu zimu.<\/p>\n<p>Ve\u013ek\u00e9 evolu\u010dn\u00e9 zmeny<\/p>\n<p>Zauj\u00edmav\u00e9 tie\u017e je, \u017ee v\u00fdskum neodhalil len trendy vo vzh\u013eade. Vedci na\u0161li stovky genetick\u00fdch zmien, ktor\u00e9 ovplyv\u0148uj\u00fa aj zdravie. Niektor\u00e9 g\u00e9ny, ktor\u00e9 sa postupne \u0161\u00edrili, zni\u017euj\u00fa riziko ochoren\u00ed ak\u00fdmi je \u00a0cukrovka 2. typu, artrit\u00edda, \u010di predizpoz\u00edcia na ple\u0161atos\u0165, no in\u00e9 prin\u00e1\u0161aj\u00fa aj nev\u00fdhody, ako napr\u00edklad vy\u0161\u0161iu n\u00e1chylnos\u0165 na celiakiu.<\/p>\n<p>Ve\u013ek\u00fd zlom nastal v momente, ke\u010f \u013eudia pre\u0161li z lovu na po\u013enohospod\u00e1rstvo. Stabilnej\u0161\u00ed pr\u00edstup k jedlu zmenil podmienky pre pre\u017eitie, a t\u00fdm aj to, ktor\u00e9 g\u00e9ny boli vo v\u00fdhode. Napr\u00edklad g\u00e9ny podporuj\u00face ukladanie tuku boli kedysi u\u017eito\u010dn\u00e9 po\u010das hladomoru, no dnes, ke\u010f je jedla dostatok, sa st\u00e1vaj\u00fa sk\u00f4r nev\u00fdhodou.<\/p>\n<p><a class=\"fasc-button fasc-size-medium fasc-type-flat\" style=\"background-color: #c72767; color: #ffffff;\" href=\"https:\/\/www.instagram.com\/hashtag.sk\/\" data-wpel-link=\"external\" target=\"_blank\" rel=\"external noopener noreferrer nofollow\">Sleduj n\u00e1\u0161 Instagram<\/a><\/p>\n<p>            <script async src=\"\/\/www.instagram.com\/embed.js\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"#Mo\u017eno si si niekedy vypo\u010dul vtipy a\u00a0stereotypy o\u00a0ry\u0161av\u00fdch \u013eu\u010foch. Najnov\u0161ie vedeck\u00e9 zistenia v\u0161ak nazna\u010duj\u00fa, \u017ee g\u00e9n t\u00fdchto \u013eud\u00ed&hellip;\n","protected":false},"author":2,"featured_media":51785,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[1744,70,21180,43,40,39,42,41,2810,745,71],"class_list":{"0":"post-51784","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-zabava","8":"tag-dna","9":"tag-entertainment","10":"tag-rysava","11":"tag-sk","12":"tag-slovak","13":"tag-slovakia","14":"tag-slovencina","15":"tag-slovensko","16":"tag-vlasy","17":"tag-vyskum","18":"tag-zabava"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@sk\/116454383089540303","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/51784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/comments?post=51784"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/51784\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media\/51785"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media?parent=51784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/categories?post=51784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/tags?post=51784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}