{"id":84306,"date":"2025-07-26T00:20:28","date_gmt":"2025-07-25T22:20:28","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=84306"},"modified":"2025-07-25T12:08:04","modified_gmt":"2025-07-25T10:08:04","slug":"slunecni-svetlo-pronika-do-lidskeho-tela-a-zlepsuje-mitochondrialni-funkci-a-zrak","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/07\/26\/slunecni-svetlo-pronika-do-lidskeho-tela-a-zlepsuje-mitochondrialni-funkci-a-zrak\/","title":{"rendered":"Slune\u010dn\u00ed sv\u011btlo pronik\u00e1 do lidsk\u00e9ho t\u011bla a zlep\u0161uje mitochondri\u00e1ln\u00ed funkci a zrak"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<div class=\"elementor-element elementor-element-1fb4c2c elementor-widget elementor-widget-theme-post-content\" data-id=\"1fb4c2c\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\">\n<div class=\"elementor-widget-container\">\n<p><span>Pouh\u00fdch 15 minut vystaven\u00ed infra\u010derven\u00e9mu slune\u010dn\u00edmu z\u00e1\u0159en\u00ed v od\u011bvu vyvolalo syst\u00e9mov\u00e9 \u00fa\u010dinky a m\u011b\u0159iteln\u00e9 zlep\u0161en\u00ed zraku \u2013 a to i s pln\u011b zakryt\u00fdma o\u010dima.<\/span><\/p>\n<p><span>Nov\u00e1 studie publikovan\u00e1 v\u00a0<\/span><em><span>\u010dasopise Scientific Reports<\/span><\/em><span>\u00a0s n\u00e1zvem\u00a0<\/span><em><span>Del\u0161\u00ed vlnov\u00e9 d\u00e9lky slune\u010dn\u00edho z\u00e1\u0159en\u00ed pronikaj\u00ed lidsk\u00fdm t\u011blem a maj\u00ed syst\u00e9mov\u00fd \u00fa\u010dinek, kter\u00fd zlep\u0161uje zrak<\/span><\/em><span>\u00a0, potvrzuje to, co studie na zv\u00ed\u0159atech ji\u017e dlouho p\u0159edpokl\u00e1daly: Del\u0161\u00ed vlnov\u00e9 d\u00e9lky slune\u010dn\u00edho z\u00e1\u0159en\u00ed \u2013 zejm\u00e9na v infra\u010derven\u00e9m rozsahu (830\u2013860 nm) \u2013 mohou proniknout lidsk\u00fdm t\u011blem a syst\u00e9mov\u011b zlep\u0161it mitochondri\u00e1ln\u00ed funkci. Je pozoruhodn\u00e9, \u017ee po pouh\u00fdch 15 minut\u00e1ch vystaven\u00ed se slune\u010dn\u00edmu z\u00e1\u0159en\u00ed na z\u00e1dech (pln\u011b oble\u010den\u00fd) se zrak zlep\u0161il o 24 hodin pozd\u011bji \u2013 bez jak\u00e9hokoli vniknut\u00ed sv\u011btla do o\u010d\u00ed.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/i0.wp.com\/substackcdn.com\/image\/fetch\/%24s_%21KWpC%21%2Cw_1456%2Cc_limit%2Cf_webp%2Cq_auto%3Agood%2Cfl_progressive%3Asteep\/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F17e50837-6d7c-427d-a2fa-b341f4c95825_1910x1332.png?fit=800%2C558&amp;ssl=1\" \/><\/p>\n<p><span>Studie se z\u00fa\u010dastnilo \u010dty\u0159icet dosp\u011bl\u00fdch (25\u201363 let). V\u011bdci nejprve m\u011b\u0159ili propustnost slune\u010dn\u00edho z\u00e1\u0159en\u00ed um\u00edst\u011bn\u00edm radiometru na hrudn\u00edk \u00fa\u010dastn\u00edk\u016f s ko\u0161il\u00ed a dlouh\u00fdm ruk\u00e1vem, kte\u0159\u00ed st\u00e1li na p\u0159\u00edm\u00e9m poledn\u00edm slunci. V kontrolovan\u00e9m laboratorn\u00edm prost\u0159ed\u00ed byli subjekty pot\u00e9 vystaveny 850 nm bl\u00edzk\u00e9mu infra\u010derven\u00e9mu (NIR) LED sv\u011btlu nam\u00ed\u0159en\u00e9mu na jejich z\u00e1da po dobu 15 minut. Zrakov\u00e1 v\u00fdkonnost byla hodnocena p\u0159ed a 24 hodin po expozici pomoc\u00ed test\u016f citlivosti na barevn\u00fd kontrast. Pro izolaci syst\u00e9mov\u00fdch \u00fa\u010dink\u016f z p\u0159\u00edm\u00e9 expozice o\u010d\u00ed nosila podskupina f\u00f3liovou pokr\u00fdvku hlavy, kter\u00e1 zcela blokovala sv\u011btlo z jejich o\u010d\u00ed.<\/span><\/p>\n<p><strong><span>Kl\u00ed\u010dov\u00e1 zji\u0161t\u011bn\u00ed<\/span><\/strong><\/p>\n<ul>\n<li><strong><span>Slune\u010dn\u00ed sv\u011btlo pronik\u00e1 lidsk\u00fdm trupem.<\/span><\/strong><span>\u00a0Infra\u010derven\u00e9 vlnov\u00e9 d\u00e9lky (zejm\u00e9na 850 nm) pronikaj\u00ed hrudn\u00edkem a z\u00e1dy a dosahuj\u00ed vnit\u0159n\u00edch tk\u00e1n\u00ed. Nejvy\u0161\u0161\u00ed propustnost byla pozorov\u00e1na mezi 800 a 875 nm.<\/span><\/li>\n<li><strong><span>Mitochondri\u00e1ln\u00ed pos\u00edlen\u00ed zrakov\u00fdch funkc\u00ed.<\/span><\/strong><span>\u00a0Jedin\u00e9 15minutov\u00e9 vystaven\u00ed sv\u011btlu o vlnov\u00e9 d\u00e9lce 850 nm vedlo po 24 hodin\u00e1ch k 16% zlep\u0161en\u00ed kontrastu Tritanu (modro-\u017elut\u00e1) a 9% zlep\u0161en\u00ed citlivosti Protanu (\u010derveno-zelen\u00e1) \u2013 a to i za slab\u00e9ho osv\u011btlen\u00ed.<\/span><\/li>\n<li><strong><span>Syst\u00e9mov\u00fd \u00fa\u010dinek potvrzen.<\/span><\/strong><span>\u00a0U \u00fa\u010dastn\u00edk\u016f, jejich\u017e hlavy byly zcela zakryty f\u00f3li\u00ed (blokuj\u00edc\u00ed jakoukoli expozici o\u010d\u00ed), se citlivost na Tritan st\u00e1le zlep\u0161ila o 7 %. To dokazuje, \u017ee sv\u011btlo s dlouhou vlnovou d\u00e9lkou m\u00e1 syst\u00e9mov\u00fd \u00fa\u010dinek \u2013 pravd\u011bpodobn\u011b prost\u0159ednictv\u00edm mitochondri\u00e1ln\u00edch a cytokinov\u00fdch sign\u00e1ln\u00edch drah.<\/span><\/li>\n<li><strong><span>Oble\u010den\u00ed nen\u00ed p\u0159ek\u00e1\u017ekou.<\/span><\/strong><span>\u00a0Dokonce i \u0161est vrstev b\u011b\u017en\u00e9ho oble\u010den\u00ed (tri\u010dko, ko\u0161ile, vln\u011bn\u00fd svetr) bylo t\u00e9m\u011b\u0159 100kr\u00e1t propustn\u011bj\u0161\u00ed pro sv\u011btlo v rozsahu vlnov\u00fdch d\u00e9lek 850 nm ne\u017e pro viditeln\u00e9 sv\u011btlo, co\u017e umo\u017e\u0148ovalo infra\u010derven\u00fdm paprsk\u016fm dos\u00e1hnout k\u016f\u017ee a pod n\u00ed le\u017e\u00edc\u00ed tk\u00e1n\u011b.<\/span><\/li>\n<li><strong><span>Varov\u00e1n\u00ed pro zastav\u011bn\u00e9 prost\u0159ed\u00ed:<\/span><\/strong><span>\u00a0V\u011bt\u0161ina vnit\u0159n\u00edch LED osv\u011btlen\u00ed neobsahuje infra\u010derven\u00e9 sv\u011btlo a m\u00edsto toho vyza\u0159uje ostr\u00e9 vrcholy v modr\u00e9m spektru (400\u2013450 nm), o kter\u00fdch je zn\u00e1mo, \u017ee zhor\u0161uj\u00ed mitochondri\u00e1ln\u00ed funkci a zvy\u0161uj\u00ed oxida\u010dn\u00ed stres, zejm\u00e9na p\u0159i absenci kompenzuj\u00edc\u00edch dlouh\u00fdch vlnov\u00fdch d\u00e9lek.<\/span><\/li>\n<\/ul>\n<p><span>Tato zji\u0161t\u011bn\u00ed podtrhuj\u00ed kl\u00ed\u010dovou roli slune\u010dn\u00edho z\u00e1\u0159en\u00ed s pln\u00fdm spektrem \u2013 zejm\u00e9na jeho infra\u010derven\u00fdch slo\u017eek \u2013 v udr\u017eov\u00e1n\u00ed bun\u011b\u010dn\u00e9ho zdrav\u00ed a smyslov\u00fdch funkc\u00ed. Vzhledem k tomu, \u017ee modern\u00ed prost\u0159ed\u00ed se st\u00e1le v\u00edce spol\u00e9h\u00e1 na um\u011bl\u00e9 osv\u011btlen\u00ed, kter\u00e9 tyto prosp\u011b\u0161n\u00e9 vlnov\u00e9 d\u00e9lky vynech\u00e1v\u00e1, p\u0159ipravujeme sv\u00e1 t\u011bla o d\u016fle\u017eit\u00e9 biologick\u00e9 sign\u00e1ly. Denn\u00ed vystaven\u00ed p\u0159irozen\u00e9mu slune\u010dn\u00edmu z\u00e1\u0159en\u00ed, a to i p\u0159es oble\u010den\u00ed, se jev\u00ed jako jednoduch\u00fd, ale \u00fa\u010dinn\u00fd prost\u0159edek k podpo\u0159e zdrav\u00ed mitochondri\u00ed a optimalizaci zraku.<\/span><\/p>\n<p><em>Od Nicolase Hulschera, MPH<\/em><\/p>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-8c57238 quelle dc-has-condition dc-condition-empty elementor-widget elementor-widget-heading\" data-id=\"8c57238\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/www.thefocalpoints.com\/p\/new-study-sunlight-penetrates-the?utm_source=post-email-title&amp;publication_id=1119676&amp;post_id=168327378&amp;utm_campaign=email-post-title&amp;isFreemail=false&amp;r=3uby4s&amp;triedRedirect=true&amp;utm_medium=email\" target=\"_blank\" rel=\"nofollow noopener\">Zdroj<\/a><\/span><\/h3>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pouh\u00fdch 15 minut vystaven\u00ed infra\u010derven\u00e9mu slune\u010dn\u00edmu z\u00e1\u0159en\u00ed v od\u011bvu vyvolalo syst\u00e9mov\u00e9 \u00fa\u010dinky a m\u011b\u0159iteln\u00e9 zlep\u0161en\u00ed&#8230;<\/p>\n","protected":false},"author":2,"featured_media":39681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[3389,839,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/84306"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=84306"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/84306\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/39681"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=84306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=84306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=84306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}