{"id":118299,"date":"2026-10-13T00:42:07","date_gmt":"2026-10-12T22:42:07","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=118299"},"modified":"2026-10-12T18:25:36","modified_gmt":"2026-10-12T16:25:36","slug":"vedci-zpochybnili-desetileti-stare-dogma-o-nezdravosti-plnotucneho-mleka","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/10\/13\/vedci-zpochybnili-desetileti-stare-dogma-o-nezdravosti-plnotucneho-mleka\/","title":{"rendered":"V\u011bdci zpochybnili desetilet\u00ed star\u00e9 dogma o nezdravosti plnotu\u010dn\u00e9ho ml\u00e9ka"},"content":{"rendered":"
<\/div>\n

Cel\u00e1 desetilet\u00ed se lidem doporu\u010dovalo, aby m\u00edsto plnotu\u010dn\u00e9ho ml\u00e9ka up\u0159ednost\u0148ovaly n\u00edzkotu\u010dn\u00e9 nebo odtu\u010dn\u011bn\u00e9 v\u00fdrobky. V lednu 2026 v\u0161ak p\u0159i\u0161el v\u00fdznamn\u00fd obrat.<\/span><\/strong><\/p>\n

Nov\u00e1 americk\u00e1 v\u00fd\u017eivov\u00e1 doporu\u010den\u00ed na roky 2025 a\u017e 2030, zve\u0159ejn\u011bn\u00e1 7. ledna 2026, ji\u017e po\u010d\u00edtaj\u00ed is plnotu\u010dn\u00fdmi ml\u00e9\u010dn\u00fdmi v\u00fdrobky jako sou\u010d\u00e1st\u00ed zdrav\u00e9 stravy. M\u00e1slo dokonce uv\u00e1d\u011bj\u00ed mezi tuky vhodn\u00fdmi pro va\u0159en\u00ed. P\u0159edchoz\u00ed doporu\u010den\u00ed p\u0159itom up\u0159ednost\u0148ovala n\u00edzkotu\u010dn\u00e9 a odtu\u010dn\u011bn\u00e9 ml\u00e9\u010dn\u00e9 v\u00fdrobky.<\/span><\/p>\n

Za touto zm\u011bnou stoj\u00ed st\u00e1le v\u00edce v\u011bdeck\u00fdch poznatk\u016f, kter\u00e9 zpochyb\u0148uj\u00ed desetilet\u00ed za\u017eit\u00fd pohled na ml\u00e9\u010dn\u00fd tuk.<\/span><\/p>\n

Star\u00e1 doporu\u010den\u00ed vych\u00e1zela z p\u0159edpoklad\u016f o \u0161kodlivosti nasycen\u00fdch tuk\u016f, kter\u00e9 se za\u010daly prosazovat ji\u017e v 60. letech minul\u00e9ho stolet\u00ed. P\u0159\u00edm\u00e9 d\u016fkazy o tom, \u017ee n\u00edzkotu\u010dn\u00e9 ml\u00e9\u010dn\u00e9 v\u00fdrobky jsou pro srdce zdrav\u011bj\u0161\u00ed ne\u017e plnotu\u010dn\u00e9, v\u0161ak z\u016fst\u00e1vaj\u00ed p\u0159ekvapiv\u011b omezen\u00e9.<\/span><\/p>\n

Nov\u00e9 sm\u011brnice p\u0159esto nedoporu\u010duj\u00ed neomezenou konzumaci ml\u00e9\u010dn\u00e9ho tuku. Nad\u00e1le stanov\u00ed, \u017ee nasycen\u00e9 tuky by m\u011bly tvo\u0159it m\u00e9n\u011b ne\u017e 10 % denn\u00edho energetick\u00e9ho p\u0159\u00edjmu.<\/span><\/p>\n

P\u0159i strav\u011b obsahuj\u00edc\u00ed 2 000 kalori\u00ed to p\u0159edstavuje p\u0159ibli\u017en\u011b 22 gram\u016f denn\u011b. T\u0159i \u0161\u00e1lky plnotu\u010dn\u00e9ho ml\u00e9ka p\u0159itom obsahuj\u00ed asi 14 gram\u016f nasycen\u00fdch tuk\u016f.<\/span><\/p>\n

Porovn\u00e1n\u00ed, kter\u00e9 v\u011bdc\u016fm cel\u00e1 desetilet\u00ed chyb\u011blo<\/span><\/h2>\n

Beno\u00eet Lamarche, v\u011bdeck\u00fd \u0159editel centra NUTRISS na kanadsk\u00e9 Univerzit\u011b Laval, upozor\u0148uje na z\u00e1sadn\u00ed probl\u00e9m p\u016fvodn\u00edch doporu\u010den\u00ed.<\/span><\/p>\n

Nejde o to, \u017ee by n\u00edzkotu\u010dn\u00e9 ml\u00e9\u010dn\u00e9 v\u00fdrobky byly \u0161kodliv\u00e9. Probl\u00e9m je v tom, \u017ee jejich \u00fadajn\u00e1 v\u00fdhoda oproti plnotu\u010dn\u00fdm v\u00fdrobk\u016fm nebyla dostate\u010dn\u011b prok\u00e1z\u00e1na p\u0159\u00edm\u00fdmi srovn\u00e1n\u00edmi.<\/span><\/p>\n

D\u016fvod je zejm\u00e9na praktick\u00fd. Pro spolehliv\u00e9 zji\u0161t\u011bn\u00ed, zda konzumace plnotu\u010dn\u00e9ho ml\u00e9ka zvy\u0161uje riziko infarktu, by v\u011bdci pot\u0159ebovali sledovat tis\u00edce lid\u00ed po mnoho let. Udr\u017eet \u00fa\u010dastn\u00edky na p\u0159esn\u011b kontrolovan\u00e9 strav\u011b je v\u0161ak n\u00e1ro\u010dn\u00e9 ji\u017e n\u011bkolik t\u00fddn\u016f.<\/span><\/p>\n

I americk\u00fd feder\u00e1ln\u00ed poradn\u00ed v\u00fdbor ozna\u010dil dostupn\u00e9 d\u016fkazy za omezen\u00e9. Americk\u00e1 kardiologick\u00e1 asociace zase konstatovala, \u017ee \u00fadaj\u016f nen\u00ed dost na spolehliv\u00e9 z\u00e1v\u011bry o rozd\u00edlech v hladin\u00e1ch krevn\u00edch tuk\u016f, krevn\u00edm tlaku \u010di \u00famrtnosti na srde\u010dn\u011b-c\u00e9vn\u00ed onemocn\u011bn\u00ed.<\/span><\/p>\n

Nov\u00e1 studie p\u0159inesla p\u0159ekvapiv\u00e9 v\u00fdsledky<\/span><\/h2>\n

V lednu 2026 zve\u0159ejnili v\u011bdci z Torontsk\u00e9 univerzity v odborn\u00e9m \u010dasopise <\/span>The Journal of Nutrition<\/span><\/em> v\u00fdsledky 12-t\u00fddenn\u00ed klinick\u00e9 studie.<\/span><\/p>\n

V\u00fdzkum zahrnoval 74 dosp\u011bl\u00fdch lid\u00ed s nadv\u00e1hou, kter\u00e9 rozd\u011blili do skupin s odli\u0161n\u00fdm p\u0159\u00edjmem ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f a energetick\u00fdm re\u017eimem.<\/span><\/p>\n

U \u00fa\u010dastn\u00edk\u016f, kte\u0159\u00ed denn\u011b konzumovali t\u0159i porce plnotu\u010dn\u00fdch ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f, v\u011bdci nezaznamenali v\u00fdznamn\u00fd n\u00e1r\u016fst t\u011blesn\u00e9 hmotnosti, mno\u017estv\u00ed t\u011blesn\u00e9ho tuku ani hladiny cholesterolu v krvi. Ve srovn\u00e1n\u00ed se skupinou s ni\u017e\u0161\u00edm p\u0159\u00edjmem ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f se tyto ukazatele v\u00fdznamn\u011b nezhor\u0161ily.<\/span><\/p>\n

B\u011bhem v\u00fdzkumu bylo zaznamen\u00e1no i sn\u00ed\u017een\u00ed systolick\u00e9ho krevn\u00edho tlaku. Jeliko\u017e v\u0161ak tlak klesl i ve skupin\u011b s omezen\u00fdm kalorick\u00fdm p\u0159\u00edjmem, nelze tento v\u00fdsledek jednozna\u010dn\u011b p\u0159ipsat plnotu\u010dn\u00fdm ml\u00e9\u010dn\u00fdm v\u00fdrobk\u016fm.<\/span><\/p>\n

Studii financoval Kanadsk\u00fd cluster pro v\u00fdzkum ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f 3, spole\u010dn\u00e1 iniciativa vl\u00e1dy a ml\u00e9k\u00e1rensk\u00e9ho pr\u016fmyslu, spolu s programem Mitacs Accelerate.<\/span><\/p>\n

V\u00fdsledky jsou zaj\u00edmav\u00e9, ale maj\u00ed sv\u00e9 hranice. Dvan\u00e1ct t\u00fddn\u016f posta\u010duje ke sledov\u00e1n\u00ed kr\u00e1tkodob\u00fdch zm\u011bn hmotnosti, cholesterolu \u010di krevn\u00edho tlaku, ne v\u0161ak k posouzen\u00ed rizika onemocn\u011bn\u00ed, kter\u00e1 se vyv\u00edjej\u00ed cel\u00e1 desetilet\u00ed.<\/span><\/p>\n

Harvey Anderson, profesor v\u00fd\u017eivy na Torontsk\u00e9 univerzit\u011b, kter\u00fd v\u00fdzkum vedl, proto doporu\u010duje snadn\u00fd p\u0159\u00edstup: j\u00edst pest\u0159e as m\u00edrou.<\/span><\/p>\n

Pro\u010d je d\u016fle\u017eit\u011bj\u0161\u00ed cel\u00e1 potravina ne\u017e samotn\u00fd tuk<\/span><\/h2>\n

Jedn\u00edm z nejzaj\u00edmav\u011bj\u0161\u00edch poznatk\u016f modern\u00ed v\u00fd\u017eivov\u00e9 v\u011bdy je takzvan\u00e1 <\/span>potravinov\u00e1 matrice<\/span><\/em> . Tento pojem ozna\u010duje zp\u016fsob, jak\u00fdm jsou jednotliv\u00e9 \u017eiviny uspo\u0159\u00e1d\u00e1ny a vz\u00e1jemn\u011b propojeny v potravin\u011b.<\/span><\/p>\n

Jin\u00fdmi slovy, stejn\u00e9 mno\u017estv\u00ed tuku nemus\u00ed m\u00edt na organismus stejn\u00fd \u00fa\u010dinek, poch\u00e1z\u00ed-li z r\u016fzn\u00fdch potravin.<\/span><\/p>\n

Je dob\u0159e zn\u00e1mo, \u017ee nasycen\u00e9 tuky zvy\u0161uj\u00ed hladinu LDL cholesterolu, kter\u00fd se pod\u00edl\u00ed na tvorb\u011b usazenin v tepn\u00e1ch. V\u011bdci v\u0161ak zkoumaj\u00ed, do jak\u00e9 m\u00edry tento \u00fa\u010dinek ovliv\u0148uje samotn\u00e1 struktura potraviny a p\u0159\u00edtomnost dal\u0161\u00edch \u017eivin.<\/span><\/p>\n

V\u00fdsti\u017en\u00fdm p\u0159\u00edkladem je srovn\u00e1n\u00ed s\u00fdra a m\u00e1sla.<\/span><\/p>\n

Emma Feeneyov\u00e1 z University College Dublin upozor\u0148uje, \u017ee randomizovan\u00e9 studie srovn\u00e1vaj\u00edc\u00ed s\u00fdr a m\u00e1slo se stejn\u00fdm obsahem nasycen\u00fdch tuk\u016f opakovan\u011b zjistily ni\u017e\u0161\u00ed hladinu LDL cholesterolu p\u0159i konzumaci s\u00fdra.<\/span><\/p>\n

Jak je to mo\u017en\u00e9, kdy\u017e ob\u011b potraviny obsahuj\u00ed ml\u00e9\u010dn\u00fd tuk?<\/span><\/p>\n

Jedn\u00edm z vysv\u011btlen\u00ed je v\u00e1pn\u00edk. Ten se ve st\u0159evech v\u00e1\u017ee na \u010d\u00e1st mastn\u00fdch kyselin a vytv\u00e1\u0159\u00ed nerozpustn\u00e9 slou\u010deniny, kter\u00e9 se n\u00e1sledn\u011b vylou\u010d\u00ed stolic\u00ed. Organismus tak \u010d\u00e1st tuku v\u016fbec nevst\u0159eb\u00e1.<\/span><\/p>\n

D\u016fle\u017eitou roli z\u0159ejm\u011b hraj\u00ed i membr\u00e1ny tukov\u00fdch kuli\u010dek v ml\u00e9ce. Obsahuj\u00ed biologicky aktivn\u00ed l\u00e1tky a v s\u00fdru se zachov\u00e1vaj\u00ed ve v\u011bt\u0161\u00ed m\u00ed\u0159e ne\u017e v m\u00e1sle.<\/span><\/p>\n

Ukazuje se tak, \u017ee samotn\u00fd obsah nasycen\u00fdch tuk\u016f nemus\u00ed vypov\u011bd\u011bt cel\u00fd p\u0159\u00edb\u011bh o zdravotn\u00edch \u00fa\u010dinc\u00edch potraviny.<\/span><\/p>\n

Desetiprocentn\u00ed hranice z\u016fst\u00e1v\u00e1 p\u0159edm\u011btem diskuse<\/span><\/h2>\n

Zaj\u00edmav\u00e9 je, \u017ee nov\u00e1 americk\u00e1 doporu\u010den\u00ed sice rehabilitovala plnotu\u010dn\u00e9 ml\u00e9\u010dn\u00e9 v\u00fdrobky a m\u00e1slo, ale z\u00e1rove\u0148 zachovala hranici 10 % denn\u00edho energetick\u00e9ho p\u0159\u00edjmu z nasycen\u00fdch tuk\u016f.<\/span><\/p>\n

Podle Lamarcheho nem\u00e1 tato konkr\u00e9tn\u00ed hranice dostate\u010dn\u011b p\u0159esv\u011bd\u010div\u00e9 v\u011bdeck\u00e9 zd\u016fvodn\u011bn\u00ed. Ozna\u010duje ji dokonce za sv\u00e9voln\u011b stanovenou.<\/span><\/p>\n

Ot\u00e1zka, kolik nasycen\u00fdch tuk\u016f je je\u0161t\u011b p\u0159ijateln\u00fdch, tak z\u016fst\u00e1v\u00e1 p\u0159edm\u011btem odborn\u00e9 diskuse.<\/span><\/p>\n

Mezin\u00e1rodn\u00ed panel odborn\u00edk\u016f, kter\u00fd se setkal v roce 2024 v Amsterdamu, dosp\u011bl k z\u00e1v\u011bru, \u017ee konzumace ml\u00e9ka, jogurt\u016f a s\u00fdr\u016f vykazuje v dostupn\u00fdch v\u00fdzkumech p\u0159ev\u00e1\u017en\u011b neutr\u00e1ln\u00ed souvislost s rizikem srde\u010dn\u011b-c\u00e9vn\u00edch onemocn\u011bn\u00ed bez ohledu na obsah tuku.<\/span><\/p>\n

To je d\u016fle\u017eit\u00e9 zji\u0161t\u011bn\u00ed. Neutr\u00e1ln\u00ed souvislost toti\u017e neznamen\u00e1, \u017ee tyto potraviny automaticky chr\u00e1n\u00ed p\u0159ed onemocn\u011bn\u00edmi srdce, ale \u017ee dostupn\u00e9 \u00fadaje neukazuj\u00ed jednozna\u010dn\u00e9 zv\u00fd\u0161en\u00ed rizika.<\/span><\/p>\n

Sou\u010dasn\u00e9 poznatky tak zpochyb\u0148uj\u00ed p\u0159edstavu, \u017ee ml\u00e9\u010dn\u00fd tuk je t\u0159eba bez rozd\u00edlu pova\u017eovat za \u0161kodliv\u00fd. Z\u00e1rove\u0148 v\u0161ak neprokazuj\u00ed, \u017ee je zdrav\u011bj\u0161\u00ed ne\u017e jin\u00e9 druhy tuk\u016f.<\/span><\/p>\n

Feeneyov\u00e1 proto upozor\u0148uje, \u017ee nov\u00e9 v\u00fdsledky by si lid\u00e9 nem\u011bli vysv\u011btlovat jako d\u016fkaz nad\u0159azenosti m\u00e1sla nad ostatn\u00edmi tuky pou\u017e\u00edvan\u00fdmi v kuchyni.<\/span><\/p>\n

Co z toho vypl\u00fdv\u00e1 pro v\u00e1\u0161 j\u00eddeln\u00ed\u010dek?<\/span><\/h2>\n

Nov\u00e9 poznatky nazna\u010duj\u00ed, \u017ee p\u0159i v\u00fdb\u011bru ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f nen\u00ed t\u0159eba \u0159\u00eddit se v\u00fdlu\u010dn\u011b procentem tuku na obalu.<\/span><\/p>\n

Plnotu\u010dn\u00e9 ml\u00e9ko, p\u0159\u00edrodn\u00ed jogurt \u010di s\u00fdr mohou m\u00edt m\u00edsto ve vyv\u00e1\u017een\u00e9 strav\u011b a nen\u00ed d\u016fvod automaticky je pova\u017eovat za hor\u0161\u00ed volbu ne\u017e n\u00edzkotu\u010dn\u00e9 alternativy.<\/span><\/p>\n

Z\u00e1rove\u0148 je v\u0161ak d\u016fle\u017eit\u00e9 rozli\u0161ovat mezi jednotliv\u00fdmi v\u00fdrobky. S\u00fdr a m\u00e1slo sice obsahuj\u00ed podobn\u00e9 druhy tuk\u016f, jejich \u00fa\u010dinky na hladinu cholesterolu v\u0161ak nejsou stejn\u00e9. V\u00fdsledky v\u00fdzkumu s\u00fdra proto nelze jednodu\u0161e p\u0159en\u00e1\u0161et na m\u00e1slo.<\/span><\/p>\n

M\u00e1te-li zv\u00fd\u0161enou hladinu LDL cholesterolu nebo vysok\u00e9 riziko srde\u010dn\u011b-c\u00e9vn\u00edch onemocn\u011bn\u00ed, sledujte tak\u00e9 celkov\u00fd p\u0159\u00edjem nasycen\u00fdch tuk\u016f a \u0159i\u010fte se individu\u00e1ln\u00edmi doporu\u010den\u00edmi l\u00e9ka\u0159e.<\/span><\/p>\n

P\u0159i zdrav\u00e9m stravov\u00e1n\u00ed je ostatn\u011b d\u016fle\u017eit\u011bj\u0161\u00ed celkov\u00e9 slo\u017een\u00ed j\u00eddeln\u00ed\u010dku ne\u017e samotn\u00e1 volba mezi plnotu\u010dn\u00fdm a n\u00edzkotu\u010dn\u00fdm ml\u00e9kem.<\/span><\/p>\n

Nejv\u011bt\u0161\u00ed otev\u0159enou ot\u00e1zkou z\u016fst\u00e1v\u00e1, zda se p\u0159\u00edzniv\u011bj\u0161\u00ed \u00fa\u010dinky potravinov\u00e9 matrice projev\u00ed i b\u011bhem desetilet\u00ed a do jak\u00e9 m\u00edry se t\u00fdkaj\u00ed jednotliv\u00fdch ml\u00e9\u010dn\u00fdch v\u00fdrobk\u016f v\u010detn\u011b m\u00e1sla.<\/span><\/p>\n

Dlouhodob\u00e9 klinick\u00e9 studie sice st\u00e1le chyb\u00ed, jedno je v\u0161ak st\u00e1le z\u0159eteln\u011bj\u0161\u00ed: desetilet\u00ed za\u017eit\u00e1 doporu\u010den\u00ed posuzovat ml\u00e9\u010dn\u00e9 v\u00fdrobky p\u0159edev\u0161\u00edm podle obsahu tuku si zaslou\u017e\u00ed d\u016fkladn\u00e9 p\u0159ehodnocen\u00ed.<\/span><\/p>\n

Autor: Willow Tohi, Zdroj: <\/span>naturalnews.com<\/span><\/a>\u00a0<\/span><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Cel\u00e1 desetilet\u00ed se lidem doporu\u010dovalo, aby m\u00edsto plnotu\u010dn\u00e9ho ml\u00e9ka up\u0159ednost\u0148ovaly n\u00edzkotu\u010dn\u00e9 nebo odtu\u010dn\u011bn\u00e9 v\u00fdrobky. V…<\/p>\n","protected":false},"author":2,"featured_media":118300,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2600,1561,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/118299"}],"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=118299"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/118299\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/118300"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=118299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=118299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=118299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}