{"id":97477,"date":"2026-01-22T00:30:11","date_gmt":"2026-01-21T23:30:11","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=97477"},"modified":"2026-01-21T18:15:07","modified_gmt":"2026-01-21T17:15:07","slug":"novy-vyzkum-naznacuje-ze-vyber-druhu-chleba-muze-predurcit-budoucnost-zdravi-vaseho-mozku","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/01\/22\/novy-vyzkum-naznacuje-ze-vyber-druhu-chleba-muze-predurcit-budoucnost-zdravi-vaseho-mozku\/","title":{"rendered":"Nov\u00fd v\u00fdzkum nazna\u010duje, \u017ee v\u00fdb\u011br druhu chleba m\u016f\u017ee p\u0159edur\u010dit budoucnost zdrav\u00ed va\u0161eho mozku"},"content":{"rendered":"
<\/div>\n

Nov\u00e1 rozs\u00e1hl\u00e1 studie odhalila, \u017ee druh sacharid\u016f, kter\u00e9 konzumujeme, m\u016f\u017ee b\u00fdt pro zdrav\u00ed mozku stejn\u011b d\u016fle\u017eit\u00fd jako jejich mno\u017estv\u00ed.<\/span><\/strong><\/p>\n

V\u00fdzkum veden\u00fd v\u011bdci ze \u0161pan\u011blsk\u00e9\u00a0<\/span>Univerzity Rovira i Virgili<\/span><\/em>\u00a0, publikovan\u00fd v odborn\u00e9m \u010dasopise\u00a0<\/span>International Journal of Epidemiology<\/span><\/em> , poskytuje p\u0159esv\u011bd\u010div\u00e9 d\u016fkazy o tom, \u017ee strava bohat\u00e1 na vysoce kvalitn\u00ed, pomalu straviteln\u00e9 sacharidy je spojena s v\u00fdrazn\u011b ni\u017e\u0161\u00edm rizikem rozvoje demence, v\u010detn\u011b Alzheim.<\/span><\/p>\n

Tato pr\u00e1ce p\u0159esouv\u00e1 pozornost z pouh\u00e9ho po\u010d\u00edt\u00e1n\u00ed kalori\u00ed na jemn\u00e9 chemick\u00e9 slo\u017een\u00ed potravin a nab\u00edz\u00ed praktickou stravovac\u00ed strategii pro miliony lid\u00ed, kte\u0159\u00ed se sna\u017e\u00ed chr\u00e1nit svoji kognitivn\u00ed budoucnost.<\/span><\/p>\n

Po cel\u00e9 generace byla diskuse o ve\u0159ejn\u00e9m zdrav\u00ed t\u00fdkaj\u00edc\u00ed se stravy a demence rozt\u0159\u00ed\u0161t\u011bn\u00e1 a \u010dasto protich\u016fdn\u00e1. Rady se m\u011bnily od fobie v\u016f\u010di tuk\u016fm k pochybnostem o sacharidech, co\u017e spot\u0159ebitele udr\u017eovalo v mlze nejistoty.<\/span><\/p>\n

Mezit\u00edm rozsah krize demence neust\u00e1le nar\u016fstal. Vzhledem k tomu, \u017ee na cel\u00e9m sv\u011bt\u011b dnes \u017eije s demenc\u00ed v\u00edce ne\u017e 55 milion\u016f lid\u00ed (a do roku 2050 se toto \u010d\u00edslo ztrojn\u00e1sob\u00ed) a farmakologick\u00e9 l\u00e9\u010dby jsou m\u00e1lo \u00fa\u010dinn\u00e9, nal\u00e9havost spolehliv\u00e9 prevence nebyla nikdy v\u011bt\u0161\u00ed.<\/span><\/p>\n

Tento nov\u00fd v\u00fdzkum prolamuje \u0161um a poukazuje na lehce ovlivniteln\u00fd rizikov\u00fd faktor, kter\u00fd je ka\u017ed\u00e9mu b\u011b\u017en\u011b dostupn\u00fd \u2013 glykemick\u00fd index na\u0161ich j\u00eddel.<\/span><\/p>\n

V\u00edce ne\u017e kalorie: Vysv\u011btlen\u00ed glykemick\u00e9ho indexu<\/span><\/h2>\n

J\u00e1drem studie je glykemick\u00fd index (GI), co\u017e je ukazatel, kter\u00fd klasifikuje potraviny obsahuj\u00edc\u00ed sacharidy podle toho, jak rychle zvy\u0161uj\u00ed hladinu cukru v krvi.<\/span><\/p>\n

Potraviny jako b\u00edl\u00fd chl\u00e9b, brambory a sladk\u00e9 cere\u00e1lie maj\u00ed vysok\u00fd GI, co\u017e zp\u016fsobuje rychl\u00fd n\u00e1r\u016fst krevn\u00edho cukru. Naproti tomu v\u011bt\u0161ina ovoce, lu\u0161t\u011bnin a celozrnn\u00fdch obilovin m\u00e1 n\u00edzk\u00fd GI, co\u017e zaji\u0161\u0165uje pomal\u00e9 a stabiln\u00ed uvol\u0148ov\u00e1n\u00ed energie.<\/span><\/p>\n

Toto metabolick\u00e9 tempo m\u00e1 hlubok\u00e9 d\u016fsledky pro mozek, org\u00e1n, kter\u00fd je jedine\u010dn\u011b citliv\u00fd na nerovnov\u00e1hu cukru v krvi.<\/span><\/p>\n

N\u00edzkoglykemick\u00e1 dieta se zam\u011b\u0159uje na konzumaci potravin, kter\u00e9 zp\u016fsobuj\u00ed pomalej\u0161\u00ed a men\u0161\u00ed n\u00e1r\u016fst hladiny cukru v krvi. Up\u0159ednost\u0148uje sacharidy, kter\u00e9 se tr\u00e1v\u00ed a vst\u0159eb\u00e1vaj\u00ed postupn\u011bji, co\u017e pom\u00e1h\u00e1 \u0159\u00eddit energii a chu\u0165 k j\u00eddlu.<\/span><\/p>\n

Aby v\u00fdzkumn\u00fd t\u00fdm odhalil souvislost mezi kvalitou sacharid\u016f a demenc\u00ed, analyzoval \u00fadaje o stravov\u00e1n\u00ed z rozs\u00e1hl\u00e9ho souboru v\u00edce ne\u017e 200 000 dosp\u011bl\u00fdch v Brit\u00e1nii, z nich\u017e nikdo na za\u010d\u00e1tku studie nem\u011bl demenci.<\/span><\/p>\n

Vypo\u010d\u00edtali glykemick\u00fd index a glykemickou z\u00e1t\u011b\u017e (m\u00edru, kter\u00e1 zohled\u0148uje i velikost porce) stravy ka\u017ed\u00e9ho \u00fa\u010dastn\u00edka. Potom sledovali a \u010dekali v pr\u016fm\u011bru v\u00edce ne\u017e 13 let.<\/span><\/p>\n

Dlouhodob\u00e9 \u00fadaje p\u0159inesly jasn\u00fd vzorec. V kohort\u011b se u 2 362 lid\u00ed vyvinula demence, p\u0159i\u010dem\u017e pokro\u010dil\u00e9 statistick\u00e9 modelov\u00e1n\u00ed odhalilo p\u0159\u00edm\u00fd p\u0159\u00ed\u010dinn\u00fd vztah: se zvy\u0161uj\u00edc\u00edm se glykemick\u00fdm indexem stravy se zvy\u0161ovalo i riziko demence.<\/span><\/p>\n

Konkr\u00e9tn\u011b, strava s n\u00edzk\u00fdm a\u017e st\u0159edn\u00edm glykemick\u00fdm indexem byla spojena se 16% sn\u00ed\u017een\u00edm rizika vzniku Alzheimerovy choroby. Naopak strava s vy\u0161\u0161\u00edm glykemick\u00fdm indexem byla spojena se 14% zv\u00fd\u0161en\u00edm rizika. Celkov\u00fd rozd\u00edl je tedy 30%.<\/span><\/p>\n

Biologick\u00e9 zd\u016fvodn\u011bn\u00ed je v\u00fdznamn\u00e9 a odr\u00e1\u017e\u00ed rostouc\u00ed teorii v neurov\u011bd\u011b.<\/span><\/p>\n

Mozek je org\u00e1n, kter\u00fd vy\u017eaduje gluk\u00f3zu, ale vy\u017eaduje jej\u00ed stabiln\u00ed p\u0159\u00edsun. Prudk\u00fd n\u00e1r\u016fst hladiny cukru v krvi a inzul\u00ednu vyvolan\u00fd potravinami s vysok\u00fdm glykemick\u00fdm indexem m\u016f\u017ee podporovat z\u00e1n\u011bt a inzul\u00ednovou rezistenci v mozku.<\/span><\/p>\n

N\u011bkte\u0159\u00ed v\u00fdzkumn\u00edci nyn\u00ed ozna\u010duj\u00ed\u00a0<\/span>Alzheimerovu chorobu<\/span><\/a>\u00a0jako \u201ediabetes (cukrovka) 3. typu\u201c a poukazuj\u00ed na uvedenou tuto metabolickou dysfunkci.<\/span><\/p>\n

Strava s trvale vysok\u00fdm obsahem rafinovan\u00fdch sacharid\u016f m\u016f\u017ee postupn\u011b zhor\u0161ovat energetick\u00fd metabolismus mozku, po\u0161kozovat bu\u0148ky a p\u0159ipravovat cestu ke kognitivn\u00edmu \u00fapadku.<\/span><\/p>\n

Zm\u011bna paradigmatu v prevenci<\/span><\/h2>\n

Zm\u00edn\u011bn\u00fd v\u00fdzkum p\u0159edstavuje v\u00fdznamn\u00fd zlom. Po desetilet\u00ed se na demenci d\u00edvalo p\u0159es optiku genetiky a nevyhnuteln\u00e9ho st\u00e1rnut\u00ed. P\u0159esto\u017ee v\u011bk je hlavn\u00edm rizikov\u00fdm faktorem, tato studie potvrzuje, \u017ee vliv \u017eivotn\u00edho stylu je stejn\u011b v\u00fdznamn\u00fd.<\/span><\/p>\n

D\u00e1le nazna\u010duje, \u017ee strategie ve\u0159ejn\u00e9ho zdrav\u00ed pro prevenci demence se mus\u00ed vyv\u00edjet tak, aby se explicitn\u011b zab\u00fdvaly kvalitou sacharid\u016f ve strav\u011b, obsahovaly konkr\u00e9tn\u00ed a praktick\u00e9 pokyny, nejen obecn\u00e9 rady o \u201ezdrav\u00e9m stravov\u00e1n\u00ed\u201c.<\/span><\/p>\n

Tato zpr\u00e1va p\u0159ich\u00e1z\u00ed v kritick\u00e9m bod\u011b. Triumfy ve\u0159ejn\u00e9ho zdrav\u00ed 20. stolet\u00ed jako dostupnost v\u00fd\u017eivy, hygiena a antibiotika zaru\u010dily lidstvu del\u0161\u00ed \u017eivot. Nyn\u00ed je v\u00fdzvou 21. stolet\u00ed zajistit, aby se roky st\u00e1\u0159\u00ed p\u0159e\u017eily s jasnou mysl\u00ed a bez kognitivn\u00edho \u00fapadku.<\/span><\/p>\n

Zdravotnick\u00fd establi\u0161ment pouze pomalu p\u0159ij\u00edm\u00e1 v\u00fd\u017eivu jako \u00fast\u0159edn\u00ed pil\u00ed\u0159 neurologick\u00e9ho zdrav\u00ed. Nam\u00edsto toho \u010dasto up\u0159ednost\u0148uje farmaceutick\u00e9 intervence, kter\u00e9 p\u0159i demenci nab\u00edzej\u00ed jen m\u00edrnou a do\u010dasnou \u00falevu od symptom\u016f.<\/span><\/p>\n

D\u016fsledky jsou dalekos\u00e1hl\u00e9. Zdrav\u00ed mozku nen\u00ed ur\u010deno jen receptem od l\u00e9ka\u0159e, ale d\u00e1 se p\u011bstovat i na z\u00e1honu s potravinami au j\u00eddeln\u00edho stolu.<\/span><\/p>\n

Shrnut\u00ed<\/span><\/h2>\n

V\u00fdb\u011br \u010dist\u00fdch ovesn\u00fdch vlo\u010dek nam\u00edsto sladk\u00fdch cere\u00e1li\u00ed, \u010do\u010dky nam\u00edsto b\u00edl\u00e9 r\u00fd\u017ee a cel\u00e9ho ovoce nam\u00edsto d\u017eusu jsou rozhodnut\u00ed, kter\u00e1 mohou kumulativn\u011b budovat va\u0161i kognitivn\u00ed odolnost.<\/span><\/p>\n

V informa\u010dn\u00ed dob\u011b p\u0159epln\u011bn\u00e9 m\u00f3dn\u00edmi dietami a pseudov\u011bdeck\u00fdmi tvrzen\u00edmi p\u016fsob\u00ed tato recenzovan\u00e1 rozs\u00e1hl\u00e1 studie jako maj\u00e1k jasnosti.<\/span><\/p>\n

Zd\u016fraz\u0148uje, \u017ee v\u011bda o v\u00fd\u017eiv\u011b se net\u00fdk\u00e1 jednotliv\u00fdch \u201ez\u00e1zra\u010dn\u00fdch\u201c potravin, ale konzistentn\u00edch, na d\u016fkazech zalo\u017een\u00fdch stravovac\u00edch n\u00e1vyk\u016f. A kvalita na\u0161ich sacharid\u016f je v t\u00e9to rovnici kl\u00ed\u010dovou prom\u011bnnou.<\/span><\/p>\n

Boj proti demenci nen\u00ed sprint, ale marat\u00f3n, kter\u00fd za\u010d\u00edn\u00e1 desetilet\u00ed p\u0159edt\u00edm, ne\u017e se objev\u00ed prvn\u00ed p\u0159\u00edznaky.<\/span><\/p>\n

Tento v\u00fdzkum poskytuje kl\u00ed\u010dov\u00fd poznatek, \u017ee jedn\u00edm z nejsiln\u011bj\u0161\u00edch n\u00e1stroj\u016f na ochranu na\u0161\u00ed kolektivn\u00ed kognitivn\u00ed budoucnosti m\u016f\u017ee b\u00fdt jednoduch\u00e1 volba: up\u0159ednostnit pomalu ho\u0159\u00edc\u00ed paliva, kter\u00e1 udr\u017euj\u00ed na\u0161i mysl \u201ezap\u00e1lenou\u201c ne na chvilku, ale stabiln\u011b a dlouhodob\u011b.<\/span><\/p>\n

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

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

Nov\u00e1 rozs\u00e1hl\u00e1 studie odhalila, \u017ee druh sacharid\u016f, kter\u00e9 konzumujeme, m\u016f\u017ee b\u00fdt pro zdrav\u00ed mozku stejn\u011b…<\/p>\n","protected":false},"author":2,"featured_media":97478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[10442,4821,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/97477"}],"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=97477"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/97477\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/97478"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=97477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=97477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=97477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}