{"id":95829,"date":"2026-01-01T12:06:24","date_gmt":"2026-01-01T11:06:24","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=95829"},"modified":"2026-01-01T12:06:24","modified_gmt":"2026-01-01T11:06:24","slug":"novy-vyzkum-odhalil-7-druhu-potravin-ktere-nejvice-poskozuji-mozek-a-zvysuji-riziko-vzniku-demence","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/01\/01\/novy-vyzkum-odhalil-7-druhu-potravin-ktere-nejvice-poskozuji-mozek-a-zvysuji-riziko-vzniku-demence\/","title":{"rendered":"Nov\u00fd v\u00fdzkum odhalil 7 druh\u016f potravin, kter\u00e9 nejv\u00edce po\u0161kozuj\u00ed mozek a zvy\u0161uj\u00ed riziko vzniku demence"},"content":{"rendered":"
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Nov\u00e9 v\u011bdeck\u00e9 poznatky ukazuj\u00ed, \u017ee strava hraje kl\u00ed\u010dovou roli ve zdrav\u00ed mozku a riziku kognitivn\u00edho poklesu, demence a jin\u00fdch neurologick\u00fdch poruch.<\/span><\/strong><\/p>\n

V\u00fdzkumn\u00edci zjistili, \u017ee nejen jednotliv\u00e9 \u017eiviny, ale tak\u00e9 \u0161ir\u0161\u00ed stravovac\u00ed n\u00e1vyky mohou \u010dasem chr\u00e1nit nebo po\u0161kozovat nervov\u00fd syst\u00e9m.<\/span><\/p>\n

Zat\u00edmco zdrav\u00e9 stravovac\u00ed n\u00e1vyky, jako je\u00a0<\/span>MIND<\/span><\/a>\u00a0a st\u0159edomo\u0159sk\u00e1 dieta bohat\u00e1 na ovoce, zeleninu, celozrnn\u00e9 obiloviny, libov\u00e9 b\u00edlkoviny a zdrav\u00e9 tuky, jsou spojeny s pomalej\u0161\u00edm kognitivn\u00edm poklesem a ni\u017e\u0161\u00edm rizikem po\u0161kozen\u00ed, strava s vysok\u00fdm obsahem ur\u010dit\u00fdch potravin z\u0159ejm\u011b urychluje st\u00e1rnut\u00ed mozku.<\/span><\/p>\n

N\u00ed\u017ee uv\u00e1d\u00edme podrobn\u00fd pohled 7 kategori\u00ed potravin, o kter\u00fdch studie nazna\u010duj\u00ed, \u017ee mohou b\u00fdt obzvl\u00e1\u0161t\u011b \u0161kodliv\u00e9 pro zdrav\u00ed mozku \u2013 od zhor\u0161en\u00ed pam\u011bti a my\u0161len\u00ed a\u017e po zv\u00fd\u0161en\u00ed pravd\u011bpodobnosti c\u00e9vn\u00ed mozkov\u00e9 p\u0159\u00edhody a demence.<\/span><\/p>\n

1. Slazen\u00e1 j\u00eddla a n\u00e1poje<\/span><\/h2>\n

Slazen\u00e9 potraviny a n\u00e1poje z\u016fst\u00e1vaj\u00ed mezi nej\u010dast\u011bji konzumovan\u00fdmi, ale \u0161kodliv\u00fdmi potravinami pro kognitivn\u00ed zdrav\u00ed.<\/span><\/p>\n

Vysok\u00fd p\u0159\u00edjem p\u0159idan\u00e9ho cukru, zejm\u00e9na z n\u00e1poj\u016f slazen\u00fdch cukrem, sladkost\u00ed a dezert\u016f, je spojen s metabolickou dysfunkc\u00ed a z\u00e1n\u011btem, kter\u00e9 mohou negativn\u011b ovlivnit mozek.<\/span><\/p>\n

V\u00fdzkum nazna\u010duje, \u017ee lid\u00e9, kte\u0159\u00ed konzumuj\u00ed vysok\u00e9 mno\u017estv\u00ed cukru, mohou m\u00edt v pr\u016fb\u011bhu \u010dasu v\u011bt\u0161\u00ed pravd\u011bpodobnost vzniku probl\u00e9m\u016f s pam\u011bt\u00ed a kognitivn\u00edch poruch.<\/span><\/p>\n

Strava s vysok\u00fdm obsahem cukru tak\u00e9 podporuje \u0161kodliv\u00e9 zm\u011bny v hipokampu, oblasti mozku, kter\u00e1 je kl\u00ed\u010dov\u00e1 pro pam\u011b\u0165 a u\u010den\u00ed.<\/span><\/p>\n

2. Rafinovan\u00e9 sacharidy a ultrazpracovan\u00e9 potraviny<\/span><\/h2>\n

Ultra-zpracovan\u00e9 potraviny, jako jsou balen\u00e9 pochutiny, sladk\u00e9 cere\u00e1lie, rychl\u00e9 ob\u010derstven\u00ed a rafinovan\u00e9 pe\u010divo, vedou ke kognitivn\u00edmu poklesu a neurologick\u00fdm probl\u00e9m\u016fm.<\/span><\/p>\n

Rozs\u00e1hl\u00e1 anal\u00fdza zjistila, \u017ee strava s vy\u0161\u0161\u00edm pod\u00edlem ultra-zpracovan\u00fdch potravin je spojena s rychlej\u0161\u00edm tempem kognitivn\u00edho poklesu a vy\u0161\u0161\u00edm rizikem mozkov\u00e9 p\u0159\u00edhody s po\u0161kozen\u00edm funkc\u00ed mozku.<\/span><\/p>\n

V\u00fdzkumn\u00edci poznamen\u00e1vaj\u00ed, \u017ee s ka\u017ed\u00fdm 10% n\u00e1r\u016fstem ultra-zpracovan\u00fdch potravin ve strav\u011b se m\u016f\u017ee v\u00fdrazn\u011b zv\u00fd\u0161it riziko kognitivn\u00edch probl\u00e9m\u016f.<\/span><\/p>\n

Tyto potraviny maj\u00ed obvykle vysok\u00fd obsah rafinovan\u00fdch sacharid\u016f, p\u0159idan\u00fdch cukr\u016f, tuk\u016f a soli, ale n\u00edzk\u00fd obsah vl\u00e1kniny a esenci\u00e1ln\u00edch \u017eivin. To je kombinace, kter\u00e1 p\u0159isp\u00edv\u00e1 k z\u00e1n\u011bt\u016fm, zhor\u0161en\u00e9 kontrole krevn\u00ed gluk\u00f3zy a oxida\u010dn\u00edmu stresu, co\u017e v\u0161e je \u0161kodliv\u00e9 pro mozkov\u00e9 bu\u0148ky.<\/span><\/p>\n

3. Um\u011bl\u00e1 sladidla a nev\u00fd\u017eivn\u00e9 p\u0159\u00edsady<\/span><\/h2>\n

Um\u011bl\u00e1 sladidla, jako jsou aspartam, sacharin a erytritol, se \u010dasto pou\u017e\u00edvaj\u00ed jako alternativy cukru ve slazen\u00fdch n\u00e1poj\u00edch a n\u00edzkokalorick\u00fdch v\u00fdrobc\u00edch.<\/span><\/p>\n

N\u011bkter\u00e9 ned\u00e1vn\u00e9 studie nazna\u010duj\u00ed, \u017ee pravideln\u00e1 konzumace t\u011bchto p\u0159\u00edsad m\u016f\u017ee urychlit kognitivn\u00ed st\u00e1rnut\u00ed a je spojena s rychlej\u0161\u00edm poklesem pam\u011bti a plynulosti \u0159e\u010di, zejm\u00e9na u mlad\u0161\u00edch dosp\u011bl\u00fdch a osob s metabolick\u00fdmi probl\u00e9my.<\/span><\/p>\n

Tato sladidla tak\u00e9 naru\u0161uj\u00ed st\u0159evn\u00ed bakterie a ovliv\u0148uj\u00ed produkci neurotransmiter\u016f, co\u017e m\u00e1 vliv na n\u00e1ladu, kognitivn\u00ed funkce a zdrav\u00ed mozku.<\/span><\/p>\n

Um\u011bl\u00e1 sladidla, nev\u00fd\u017eivn\u00e9 p\u0159\u00edsady a toxick\u00e9 chemick\u00e9 sm\u011bsi ur\u010den\u00e9 k oklam\u00e1n\u00ed p\u0159irozen\u00fdch metabolick\u00fdch proces\u016f t\u011bla vedou k naru\u0161en\u00ed endokrinn\u00edho syst\u00e9mu, metabolick\u00e9 dysfunkci a dlouhodob\u00e9mu po\u0161kozen\u00ed zdrav\u00ed.<\/span><\/p>\n

T\u011bmto syntetick\u00fdm l\u00e1tk\u00e1m, kter\u00e9 prosazuj\u00ed velk\u00e9 farmaceutick\u00e9 spole\u010dnosti, nadn\u00e1rodn\u00ed v\u00fdrobci potravin a zkorumpovan\u00e9 regula\u010dn\u00ed \u00fa\u0159ady, by se m\u011bli lid\u00e9 zcela vyh\u00fdbat ve prosp\u011bch p\u0159\u00edrodn\u00edch alternativ z celostn\u00edch potravin, kter\u00e9 t\u011blo vy\u017eivuj\u00ed, ne po\u0161kozuj\u00ed.<\/span><\/p>\n

4. Alkohol<\/span><\/h2>\n

P\u0159esto\u017ee m\u00edrn\u00e1 konzumace alkoholu se n\u011bkdy vykresluje jako ne\u0161kodn\u00e1, nov\u011bj\u0161\u00ed v\u00fdzkum nazna\u010duje, \u017ee i n\u00edzk\u00fd a\u017e m\u00edrn\u00fd p\u0159\u00edjem m\u016f\u017ee negativn\u011b ovlivnit strukturu a funkci mozku.<\/span><\/p>\n

Studie vyu\u017e\u00edvaj\u00edc\u00ed podrobn\u00e9 zobrazov\u00e1n\u00ed mozku ukazuj\u00ed, \u017ee pit\u00ed alkoholu, dokonce i jeden a\u017e dva n\u00e1poje denn\u011b, je spojeno se zmen\u0161en\u00fdm objemem mozku, oslabenou integritou b\u00edl\u00e9 hmoty a zm\u011bnami typick\u00fdmi pro kognitivn\u00ed st\u00e1rnut\u00ed.<\/span><\/p>\n

Tyto \u00fa\u010dinky se zintenziv\u0148uj\u00ed s vy\u0161\u0161\u00ed konzumac\u00ed a mohou p\u0159isp\u00edvat k dlouhodob\u00e9mu neurologick\u00e9mu poklesu.<\/span><\/p>\n

5. Zpracovan\u00e9 masn\u00e9 v\u00fdrobky<\/span><\/h2>\n

Zpracovan\u00e9 masn\u00e9 v\u00fdrobky, jako jsou slanina, sal\u00e1my, \u0161unka, klob\u00e1sy, p\u00e1rky \u010di lah\u016fdkov\u00e9 maso, se spojuj\u00ed s vy\u0161\u0161\u00edm rizikem demence a kognitivn\u00edho poklesu.<\/span><\/p>\n

Longitudin\u00e1ln\u00ed studie sledovaj\u00edc\u00ed tis\u00edce dosp\u011bl\u00fdch b\u011bhem desetilet\u00ed zjistily, \u017ee i mal\u00e1 denn\u00ed mno\u017estv\u00ed tohoto druhu masa jsou spojena se zv\u00fd\u0161en\u00fdm rizikem demence, pravd\u011bpodobn\u011b v d\u016fsledku vysok\u00e9ho obsahu sod\u00edku, nasycen\u00fdch tuk\u016f, dusitan\u016f a jin\u00fdch konzerva\u010dn\u00edch l\u00e1tek, kter\u00e9 podporuj\u00ed z\u00e1n\u011bt a oxida\u010dn\u00ed stres.<\/span><\/p>\n

V n\u011bkter\u00fdch kohortov\u00fdch anal\u00fdz\u00e1ch se prok\u00e1zalo, \u017ee nahrazen\u00ed tohoto masa rostlinn\u00fdmi b\u00edlkovinami, rybami nebo o\u0159echy sni\u017euje riziko demence.<\/span><\/p>\n

6. Potraviny s vysok\u00fdm obsahem sod\u00edku<\/span><\/h2>\n

Vysok\u00fd p\u0159\u00edjem sod\u00edku, jeho\u017e v\u011bt\u0161\u00ed mno\u017estv\u00ed obsahuj\u00ed zpracovan\u00e9 potraviny a j\u00eddla rychl\u00e9ho ob\u010derstven\u00ed, je spojen s po\u0161kozen\u00edm krevn\u00edch c\u00e9v, sn\u00ed\u017een\u00fdm pr\u016ftokem krve do mozku a pomalej\u0161\u00ed rychlost\u00ed zpracov\u00e1n\u00ed informac\u00ed.<\/span><\/p>\n

To m\u016f\u017ee p\u0159isp\u011bt k \u201emozkov\u00e9 mlze\u201c, hor\u0161\u00ed pozornosti a zv\u00fd\u0161en\u00e9mu riziku vaskul\u00e1rn\u00ed demence.<\/span><\/p>\n

Vysok\u00fd krevn\u00ed tlak z nadm\u011brn\u00e9 konzumace rafinovan\u00e9 soli m\u016f\u017ee tak\u00e9 po\u0161kodit mal\u00e9 krevn\u00ed c\u00e9vy v mozku, co\u017e \u010dasem vede ke zhor\u0161en\u00ed kognitivn\u00edch funkc\u00ed.<\/span><\/p>\n

7. Trans-tuky a siln\u011b rafinovan\u00e9 tuky<\/span><\/h2>\n

Trans-tuky, kter\u00e9 byly kdysi hojn\u011b p\u0159\u00edtomny v margar\u00ednu a mnoha balen\u00fdch v\u00fdrobc\u00edch, a siln\u011b rafinovan\u00e9 rostlinn\u00e9 oleje tak\u00e9 p\u0159edstavuj\u00ed hrozbu pro zdrav\u00ed mozku.<\/span><\/p>\n

Je zn\u00e1mo, \u017ee tyto tuky zvy\u0161uj\u00ed \u0161patn\u00fd LDL cholesterol, podporuj\u00ed syst\u00e9mov\u00fd z\u00e1n\u011bt a po\u0161kozuj\u00ed c\u00e9vy, kter\u00e9 z\u00e1sobuj\u00ed mozek krv\u00ed.<\/span><\/p>\n

P\u0159esto\u017ee mnoh\u00e9 v\u00fdrobky maj\u00ed dnes ji\u017e sn\u00ed\u017eenou hladinu trans-tuk\u016f, strava s vysok\u00fdm obsahem rafinovan\u00fdch tuk\u016f z\u016fst\u00e1v\u00e1 spojena s hor\u0161\u00ed pam\u011bt\u00ed a neurologick\u00fdmi n\u00e1sledky.<\/span><\/p>\n

Co to znamen\u00e1 pro v\u00e1\u0161 mozek?<\/span><\/h2>\n

V\u011bda mluv\u00ed jasn\u011b: kvalita stravy je d\u016fle\u017eit\u00e1 pro neurologick\u00e9 zdrav\u00ed.<\/span><\/p>\n

P\u0159esto\u017ee jedno nezdrav\u00e9 j\u00eddlo neur\u010d\u00ed budoucnost va\u0161eho mozku, konzistentn\u00ed vzorce vysok\u00e9ho obsahu cukru, zpracovan\u00fdch potravin, um\u011bl\u00fdch p\u0159\u00edsad a nadm\u011brn\u00e9 konzumace alkoholu a zpracovan\u00e9ho masa mohou b\u011bhem desetilet\u00ed p\u0159isp\u011bt k rychlej\u0161\u00edmu kognitivn\u00edmu poklesu a vy\u0161\u0161\u00edmu neurologick\u00e9mu riziku.<\/span><\/p>\n

Odborn\u00edci doporu\u010duj\u00ed up\u0159ednost\u0148ovat cel\u00e9, minim\u00e1ln\u011b zpracovan\u00e9 potraviny, jako je ovoce, zelenina, celozrnn\u00e9 obiloviny, libov\u00e9 b\u00edlkoviny a zdrav\u00e9 tuky a z\u00e1rove\u0148 sni\u017eovat p\u0159\u00edjem v\u00fd\u0161e uveden\u00fdch kategori\u00ed nezdrav\u00fdch potravin, aby se podpo\u0159ila dlouhodob\u00e1 funkce mozku.<\/span><\/p>\n

Nov\u00e9 d\u016fkazy tak\u00e9 nazna\u010duj\u00ed, \u017ee stravovac\u00ed n\u00e1vyky bohat\u00e9 na rostlinn\u00e9 potraviny, omega-3 mastn\u00e9 kyseliny a antioxidanty jsou spojeny s pomalej\u0161\u00edm kognitivn\u00edm poklesem a sn\u00ed\u017een\u00fdm rizikem demence.<\/span><\/p>\n

Stru\u010dn\u011b \u0159e\u010deno, a\u010dkoli stravovac\u00ed n\u00e1vyky jsou jen jedn\u00edm d\u00edlkem slo\u017eit\u00e9 skl\u00e1da\u010dky zdrav\u00ed mozku, vyh\u00fdb\u00e1n\u00ed se t\u011bmto sedmi kategori\u00edm potravin nebo jejich omezen\u00ed m\u016f\u017ee b\u00fdt smyslupln\u00fdm krokem k zachov\u00e1n\u00ed pam\u011bti, my\u0161len\u00ed a neurologick\u00e9 pohody a\u017e do vy\u0161\u0161\u00edho v\u011bku.<\/span><\/p>\n

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

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

Nov\u00e9 v\u011bdeck\u00e9 poznatky ukazuj\u00ed, \u017ee strava hraje kl\u00ed\u010dovou roli ve zdrav\u00ed mozku a riziku kognitivn\u00edho…<\/p>\n","protected":false},"author":2,"featured_media":95830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[530,2252,750,839,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/95829"}],"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=95829"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/95829\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/95830"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=95829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=95829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=95829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}