{"id":80885,"date":"2025-06-10T00:39:08","date_gmt":"2025-06-09T22:39:08","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=80885"},"modified":"2025-06-09T20:01:48","modified_gmt":"2025-06-09T18:01:48","slug":"klic-k-elegantnimu-starnuti-slunce-dodava-vitamin-d-zvysuje-oxid-dusnaty-a-zachovava-telomery","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/06\/10\/klic-k-elegantnimu-starnuti-slunce-dodava-vitamin-d-zvysuje-oxid-dusnaty-a-zachovava-telomery\/","title":{"rendered":"Kl\u00ed\u010d k elegantn\u00edmu st\u00e1rnut\u00ed: Slunce dod\u00e1v\u00e1 vitam\u00edn D, zvy\u0161uje oxid dusnat\u00fd a zachov\u00e1v\u00e1 telomery"},"content":{"rendered":"
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N\u011bkte\u0159\u00ed odborn\u00edci na zdrav\u00ed v r\u00e1mci takzvan\u00e9ho hnut\u00ed \u201eNew age\u201c se p\u0159ed sluncem schov\u00e1vaj\u00ed, proto\u017ee se ob\u00e1vaj\u00ed zrychlen\u00e9ho st\u00e1rnut\u00ed a vzniku rakoviny k\u016f\u017ee.<\/strong><\/p>\n

St\u00e1rnut\u00ed v\u0161ak neza\u010d\u00edn\u00e1 na k\u016f\u017ei, ale uvnit\u0159 t\u011bla, p\u0159i\u010dem\u017e slune\u010dn\u00ed sv\u011btlo ve skute\u010dnosti hraje d\u016fle\u017eitou roli p\u0159i zachov\u00e1n\u00ed \u017eivotnosti bun\u011bk.<\/span><\/p>\n

Pr\u016flomov\u00e1 studie publikovan\u00e1 v \u010dasopise American Journal of Clinical Nutrition (\u00a0<\/span>Americk\u00fd \u017eurn\u00e1l klinick\u00e9 v\u00fd\u017eivy<\/span><\/em>\u00a0) odhalila, \u017ee vitam\u00edn D ze slunce m\u016f\u017ee b\u00fdt kl\u00ed\u010dem ke zpomalen\u00ed biologick\u00e9ho st\u00e1rnut\u00ed kv\u016fli tomu, \u017ee zachov\u00e1v\u00e1 telomery \u2013 ochrann\u00e9 kryty na na\u0161ich chromozomech, kter\u00e9 ur\u010duj\u00ed \u017eivotnost bun\u011bk.<\/span><\/p>\n

Tento objev nen\u00ed jen dal\u0161\u00ed pozn\u00e1mkou pod \u010darou v oblasti nutri\u010dn\u00ed v\u011bdy; je to p\u0159\u00edm\u00e1 v\u00fdzva pro medic\u00ednsko-pr\u016fmyslov\u00fd komplex, kter\u00fd profituje z toho, \u017ee lid\u00e9 jsou st\u00e1le nemocn\u00ed.<\/span><\/p>\n

Vzhledem k tomu, \u017ee m\u00edra chronick\u00fdch onemocn\u011bn\u00ed prudce stoup\u00e1 a b\u011b\u017en\u00e1 medic\u00edna nedok\u00e1\u017ee \u0159e\u0161it z\u00e1kladn\u00ed p\u0159\u00ed\u010diny, vitam\u00edn D se jev\u00ed jako siln\u00fd, ale nedostate\u010dn\u011b vyu\u017e\u00edvan\u00fd n\u00e1stroj na podporu dlouhov\u011bkosti, imunitn\u00ed odolnosti a prevence nemoc\u00ed.<\/span><\/p>\n

Spojen\u00ed s telomery: Jako vitam\u00edn D bojuje proti st\u00e1rnut\u00ed<\/span><\/h2>\n

Telomery, \u010dasto p\u0159irovn\u00e1van\u00e9 k plastov\u00fdm \u0161pi\u010dk\u00e1m \u0161\u0148\u016frek na bot\u00e1ch, chr\u00e1n\u00ed na\u0161e chromozomy p\u0159ed t\u0159epen\u00edm po ka\u017ed\u00e9m bun\u011b\u010dn\u00e9m d\u011blen\u00ed, kdy\u017e se chromozomy rozv\u00e1\u017e\u00ed, zkop\u00edruj\u00ed a n\u00e1sledn\u011b znovu sv\u00e1\u017e\u00ed.<\/span><\/p>\n

Jak se telomery zkracuj\u00ed, funkce bun\u011bk degraduj\u00ed, co\u017e vede ke st\u00e1rnut\u00ed a nemocem.<\/span><\/p>\n

Nejnov\u011bj\u0161\u00ed v\u00fdzkum potvrzuje to, co zast\u00e1nci p\u0159irozen\u00e9ho zdrav\u00ed tvrd\u00ed ji\u017e dlouho: vitamin D nejen\u017ee podporuje kosti, ale tak\u00e9 aktivn\u011b opravuje telomery t\u00edm, \u017ee zvy\u0161uje aktivitu telomer\u00e1zy, enzymu zodpov\u011bdn\u00e9ho za jejich udr\u017eov\u00e1n\u00ed.<\/span><\/p>\n

Dr. JoAnn Mansonov\u00e1, vedouc\u00ed v\u00fdzkumnice studie VITAL, uv\u00e1d\u00ed:\u00a0<\/span>\u201ePokud jde o zkr\u00e1cen\u00ed telomer, \u00fa\u010dinek vitam\u00ednu D byl podobn\u00fd jako u\u0161et\u0159en\u00ed p\u0159ibli\u017en\u011b t\u0159\u00ed let st\u00e1rnut\u00ed.\u201c<\/span><\/em><\/p>\n

Toto nen\u00ed spekulativn\u00ed v\u011bda. Samostatn\u00e1 studie zve\u0159ejn\u011bn\u00e1 v odborn\u00e9m \u010dasopise International Journal\u00a0<\/span>of Obesity (Mezin\u00e1rodn\u00ed \u017eurn\u00e1l obezity<\/span><\/em>\u00a0) zjistila, \u017ee \u00fa\u010dastn\u00edci s nadv\u00e1hou u\u017e\u00edvaj\u00edc\u00ed 2 000 IU (mezin\u00e1rodn\u00edch jednotek) vitam\u00ednu D denn\u011b, zaznamenali ohromuj\u00edc\u00ed 20% n\u00e1r\u016fst d\u00e9lky telomer.<\/span><\/p>\n

\u017deny s vy\u0161\u0161\u00edmi hladinami vitam\u00ednu D m\u011bly telomery podobn\u00e9 telomer\u016fm o p\u011bt let mlad\u0161\u00edch \u017een.<\/span><\/p>\n

Navzdory t\u011bmto d\u016fkaz\u016fm v\u0161ak pokyny \u00fa\u0159ad\u016f ve\u0159ejn\u00e9ho zdravotnictv\u00ed st\u00e1le doporu\u010duj\u00ed nebezpe\u010dn\u011b n\u00edzk\u00e9 denn\u00ed d\u00e1vky jen 600 IU denn\u011b pro v\u011bt\u0161inu dosp\u011bl\u00fdch, p\u0159i\u010dem\u017e ignoruj\u00ed terapeutick\u00fd potenci\u00e1l vy\u0161\u0161\u00edch d\u00e1vek.<\/span><\/p>\n

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Slune\u010dn\u00ed sv\u011btlo versus dopl\u0148ky v\u00fd\u017eivy: V\u00e1lka korporac\u00ed proti p\u0159irozen\u00e9mu zdrav\u00ed<\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n

Velk\u00e9 farmaceutick\u00e9 spole\u010dnosti si nemohou patentovat slune\u010dn\u00ed sv\u011btlo a pr\u00e1v\u011b proto jsou jeho v\u00fdhody systematicky potla\u010dov\u00e1ny.<\/span><\/p>\n

\u00da\u0159ady ve\u0159ejn\u00e9ho zdravotnictv\u00ed \u0159\u00edkaj\u00ed, \u017ee jen 5 a\u017e 30 minut vystaven\u00ed slunci dvakr\u00e1t t\u00fddn\u011b dok\u00e1\u017ee syntetizovat dostatek vitam\u00ednu D. Na druh\u00e9 stran\u011b, \u0161\u00ed\u0159en\u00ed neod\u016fvodn\u011bn\u00e9 paniky z rakoviny k\u016f\u017ee zahnalo mnoho lid\u00ed do vnit\u0159n\u00edch prostor a vytvo\u0159ilo epidemii jeho nedostatku.<\/span><\/p>\n

Mezit\u00edm farmaceutick\u00e9 spole\u010dnosti propaguj\u00ed\u00a0<\/span>statiny<\/span><\/a>\u00a0na cholesterol, imunosupresiva na alergie a chemoterapii na rakovinu, p\u0159i\u010dem\u017e ignoruj\u00ed esenci\u00e1ln\u00ed \u017eivinu, kter\u00e1 by mohla p\u0159edch\u00e1zet v\u0161em t\u011bmto onemocn\u011bn\u00edm, ze kter\u00fdch dnes extr\u00e9mn\u011b profituj\u00ed.<\/span><\/p>\n

Dr. Mansonov\u00e1 z\u00e1rove\u0148 varuje p\u0159ed nadm\u011brn\u00fdm d\u00e1vkov\u00e1n\u00edm vitam\u00ednu D ve form\u011b dopl\u0148k\u016f stravy a varuje p\u0159ed mo\u017enou toxicitou, av\u0161ak skute\u010dnou toxicitou je odm\u00edt\u00e1n\u00ed medic\u00ednsk\u00e9ho establi\u0161mentu up\u0159ednostnit prevenci pro l\u00e9\u010dbou.<\/span><\/p>\n

Sue-Ellen Anderson-Haynesov\u00e1, odbornice na v\u00fd\u017eivu, poznamen\u00e1v\u00e1:<\/span><\/p>\n

\u201eStudie skute\u010dn\u011b osv\u011btluje, jak m\u016f\u017ee vitam\u00edn D pomoci t\u011blu v mnoha aspektech zdrav\u00ed, v\u010detn\u011b st\u0159evn\u00edho mikrobiomu, n\u00e1lady a sp\u00e1nku.<\/span><\/em><\/p>\n

Nejv\u00edce ohro\u017eeni jsou star\u0161\u00ed dosp\u011bl\u00ed, lid\u00e9 s probl\u00e9my absorpce \u017eivin ve st\u0159evech jako nap\u0159\u00edklad ti s Crohnovou chorobou, a tak\u00e9 lid\u00e9 u\u017e\u00edvaj\u00edc\u00ed l\u00e9ky na osteopor\u00f3zu, kte\u0159\u00ed jsou jen z\u0159\u00eddka testov\u00e1ni na nedostatek vitam\u00ednu D.\u201c<\/span><\/em><\/p>\n

Revoluce v l\u00e9\u010db\u011b chronick\u00fdch onemocn\u011bn\u00ed: Co v\u00e1m mainstreamov\u00e1 medic\u00edna ne\u0159ekne<\/span><\/h2>\n

Vliv vitam\u00ednu D sah\u00e1 daleko za hranice st\u00e1rnut\u00ed. V\u00fdzkum spojuje jeho nedostatek s:<\/span><\/p>\n