{"id":86064,"date":"2025-08-22T00:20:24","date_gmt":"2025-08-21T22:20:24","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=86064"},"modified":"2025-08-21T12:41:14","modified_gmt":"2025-08-21T10:41:14","slug":"kakao-pamet-a-mytus-o-cokolade-jako-zazracnem-leku","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/08\/22\/kakao-pamet-a-mytus-o-cokolade-jako-zazracnem-leku\/","title":{"rendered":"Kakao, pam\u011b\u0165 a m\u00fdtus o \u010dokol\u00e1d\u011b jako z\u00e1zra\u010dn\u00e9m l\u00e9ku"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span dir=\"auto\">Podle studie by flavanoly obsa\u017een\u00e9 v kakaov\u00fdch bobech mohly u star\u0161\u00edch lid\u00ed v\u00fdrazn\u011b zlep\u0161it pam\u011b\u0165. P\u0159\u00edsp\u011bvky na soci\u00e1ln\u00edch s\u00edt\u00edch, kter\u00e9 se v sou\u010dasnosti \u0161\u00ed\u0159\u00ed vir\u00e1ln\u011b, v\u0161ak v\u011bt\u0161inou obsahuj\u00ed pouze polopravdy. Zde jsou d\u016fle\u017eit\u00e1 fakta.<\/span><\/strong><\/p>\n<p><span dir=\"auto\">Zn\u011blo to a\u017e p\u0159\u00edli\u0161 dob\u0159e na to, aby to byla pravda: V roce 2014 se ji\u017e \u0161\u00ed\u0159ily titulky o tom, \u017ee kakao nejen povzbuzuje srdce, ale tak\u00e9 udr\u017euje mozkov\u00e9 bu\u0148ky v kondici. Tato studie byla sd\u00edlena na soci\u00e1ln\u00edch s\u00edt\u00edch (samoz\u0159ejm\u011b bez uveden\u00ed roku a z\u00e1kladn\u00edch informac\u00ed \u2013 viz p\u0159\u00edklad tweetu n\u00ed\u017ee) a stala se vir\u00e1ln\u00ed. V t\u00e9 dob\u011b skupina v\u00fdzkumn\u00edk\u016f z Kolumbijsk\u00e9 univerzity ve sv\u00e9 studii publikovan\u00e9 v \u010dasopise Nature Neuroscience pod n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25344629\/\"><span dir=\"auto\">Zlep\u0161en\u00ed funkce gyrus dentate pomoc\u00ed dietn\u00edch flavanol\u016f zlep\u0161uje kognitivn\u00ed funkce u star\u0161\u00edch dosp\u011bl\u00fdch<\/span><\/a><span dir=\"auto\"> \u201c ozn\u00e1mila, \u017ee ur\u010dit\u00e9 rostlinn\u00e9 l\u00e1tky v kakau \u2013 tzv. flavanoly \u2013 zlep\u0161uj\u00ed v\u00fdkon hipokampu, a t\u00edm oddaluj\u00ed zapomn\u011btlivost souvisej\u00edc\u00ed s v\u011bkem. M\u00e9dia po cel\u00e9m sv\u011bt\u011b byla pln\u00e1 j\u00e1sav\u00fdch zpr\u00e1v. \u010cokol\u00e1da jako doping mozku \u2013 sen pro znalce, dar z nebes pro pr\u016fmysl. Ale jak u\u017e to tak \u010dasto b\u00fdv\u00e1, realita m\u00e1 se sladk\u00fdm PR p\u0159\u00edb\u011bhem m\u00e1lo spole\u010dn\u00e9ho.<\/span><\/p>\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\">\n<div class=\"wp-block-embed__wrapper\">\n<div class=\"twitter-tweet twitter-tweet-rendered\"><iframe id=\"twitter-widget-0\" class=\"\" title=\"X P\u0159\u00edsp\u011bvek\" src=\"https:\/\/platform.twitter.com\/embed\/Tweet.html?dnt=true&amp;embedId=twitter-widget-0&amp;features=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%3D%3D&amp;frame=false&amp;hideCard=false&amp;hideThread=false&amp;id=1957709463361552670&amp;lang=cs&amp;origin=https%3A%2F%2Freport24.news%2Fkakao-gedaechtnis-und-die-maer-von-der-schokolade-als-wundermedizin%2F&amp;sessionId=41c99f13907731b8f3badc78f4e55c2ac33bfbcc&amp;theme=light&amp;widgetsVersion=2615f7e52b7e0%3A1702314776716&amp;width=550px\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\" data-tweet-id=\"1957709463361552670\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<\/div>\n<\/figure>\n<p><span dir=\"auto\">I bli\u017e\u0161\u00ed pohled na studii by m\u011bl vyvolat pochybnosti. Zahrnovala hrstku subjekt\u016f, kr\u00e1tkou dobu trv\u00e1n\u00ed a, co je nejd\u016fle\u017eit\u011bj\u0161\u00ed, vysoce koncentrovan\u00e9 extrakty, nikoli obvyklou tabulku \u010dokol\u00e1dy ani obvykl\u00fd kakaov\u00fd pr\u00e1\u0161ek ze supermarketu. Nicm\u00e9n\u011b dobr\u00e1 zpr\u00e1va se \u0161\u00ed\u0159ila nekriticky. Miliony lid\u00ed v\u011b\u0159ily, \u017ee si kakaem udr\u017e\u00ed mozek v kondici \u2013 a op\u011bt se objevuj\u00ed zjevn\u00e9 pokusy o vytvo\u0159en\u00ed odpov\u00eddaj\u00edc\u00edho humbuku kolem toho.<\/span><\/p>\n<h3 id=\"h-neue-studien-zeigen-ernuchterung\" class=\"wp-block-heading\"><span dir=\"auto\">Nov\u00e9 studie ukazuj\u00ed roz\u010darov\u00e1n\u00ed<\/span><\/h3>\n<p><span dir=\"auto\">Ale uplynulo v\u00edce ne\u017e deset let a v\u011bda zna\u010dn\u011b ochladla.\u00a0<\/span><strong><span dir=\"auto\">Ned\u00e1vn\u00e9\u00a0<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36102337\/\"><span dir=\"auto\">metaanal\u00fdzy<\/span><\/a><span dir=\"auto\">\u00a0a\u00a0<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37252983\/\"><span dir=\"auto\">rozs\u00e1hl\u00e9 studie<\/span><\/a><span dir=\"auto\">\u00a0nena\u0161ly \u017e\u00e1dn\u00e9 jasn\u00e9 d\u016fkazy o tom, \u017ee by kakaov\u00e9 flavanoly v\u00fdznamn\u011b zlep\u0161uj\u00ed pam\u011b\u0165 u zdrav\u00fdch dosp\u011bl\u00fdch.<\/span><\/strong><span dir=\"auto\"> Ano, existuj\u00ed mal\u00e9 d\u016fkazy o ur\u010dit\u00e9m zv\u00fd\u0161en\u00ed pr\u016ftoku krve v mozku a mo\u017en\u00fdch mini-\u00fa\u010dinc\u00edch na kognitivn\u00ed v\u00fdkon. Ale vytou\u017een\u00fd z\u00e1zra\u010dn\u00fd l\u00e9k na st\u00e1rnut\u00ed mozku je v nedohlednu. M\u00edsto toho je tu st\u0159\u00edzliv\u00fd z\u00e1v\u011br: Kakao m\u016f\u017ee chutnat dob\u0159e, kakao m\u016f\u017ee do\u010dasn\u011b zlep\u0161it n\u00e1ladu \u2013 ale nen\u00ed to kone\u010dn\u00fd l\u00e9k na prevenci demence.<\/span><\/p>\n<p><span dir=\"auto\">Je tak\u00e9 zaj\u00edmav\u00e9 poznamenat, jak se v\u00fdsledky li\u0161\u00ed v z\u00e1vislosti na konkr\u00e9tn\u00ed studii. Zat\u00edmco ran\u00e9 studie generovaly optimistick\u00e9 titulky, nov\u011bj\u0161\u00ed p\u0159ehledy ukazuj\u00ed, \u017ee \u00fa\u010dinky jsou \u010dasto statisticky nev\u00fdznamn\u00e9. Je to uk\u00e1zkov\u00fd p\u0159\u00edklad toho, jak jsou jednotliv\u00e9 v\u011bdeck\u00e9 studie nafukov\u00e1ny do slib\u016f uzdraven\u00ed skrze medi\u00e1ln\u00ed humbuk \u2013 jen aby se o n\u011bkolik let pozd\u011bji zhroutily, kdy\u017e se realita neshoduje. D\u00e9j\u00e0 vu, a\u017e p\u0159\u00edli\u0161 zn\u00e1m\u00e9 z vitam\u00ednov\u00fdch pilulek, \u201esuperpotravin\u201c a \u00fadajn\u00fdch z\u00e1zra\u010dn\u00fdch molekul.<\/span><\/p>\n<p><span dir=\"auto\">Nakonec z t\u00e9 sladk\u00e9 iluze zb\u00fdv\u00e1 jen m\u00e1lo. Ka\u017ed\u00fd, kdo v\u011b\u0159\u00ed, \u017ee si \u010dokol\u00e1dou a kakaem m\u016f\u017ee zost\u0159it pam\u011b\u0165, pravd\u011bpodobn\u011b jen nalet\u00ed reklamn\u00ed poh\u00e1dce. A op\u011bt to ukazuje, jak k\u0159ehk\u00e1 je hranice mezi v\u011bdou a byznysem: Sta\u010d\u00ed p\u00e1r p\u0159edb\u011b\u017en\u00fdch \u00fadaj\u016f a spot\u0159ebitel\u00e9 jsou bombardov\u00e1ni zpr\u00e1vami o sp\u00e1se. Skute\u010dnost, \u017ee seri\u00f3zn\u00ed n\u00e1sledn\u00e9 studie po letech \u010dasto dokazuj\u00ed opak, nikoho sotva zaj\u00edm\u00e1 \u2013 koneckonc\u016f, tento m\u00fdtus je v mysl\u00edch lid\u00ed u\u017e zako\u0159en\u011bn\u00fd.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-85002 aligncenter\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-212x300.jpg\" alt=\"\" width=\"631\" height=\"893\" srcset=\"https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-212x300.jpg 212w, https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-724x1024.jpg 724w, https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-768x1086.jpg 768w, https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-1086x1536.jpg 1086w, https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1-1024x1449.jpg 1024w, https:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/08\/Plakat1.jpg 1131w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podle studie by flavanoly obsa\u017een\u00e9 v kakaov\u00fdch bobech mohly u star\u0161\u00edch lid\u00ed v\u00fdrazn\u011b zlep\u0161it pam\u011b\u0165&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":86065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[4830,839,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/86064"}],"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=86064"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/86064\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/86065"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=86064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=86064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=86064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}