{"id":1123,"date":"2025-10-02T14:09:05","date_gmt":"2025-10-02T12:09:05","guid":{"rendered":"https:\/\/www.moodbites.eu\/lesson\/2-nutrition-and-brain-function\/"},"modified":"2026-05-25T09:45:01","modified_gmt":"2026-05-25T07:45:01","slug":"2-nutrition-and-brain-function","status":"publish","type":"lesson","link":"https:\/\/www.moodbites.eu\/cs\/lesson\/2-nutrition-and-brain-function\/","title":{"rendered":"2. Prozkoumejte v\u00fd\u017eivov\u00e9 faktory podporuj\u00edc\u00ed kognitivn\u00ed v\u00fdkonnost."},"content":{"rendered":"
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Mozek pot\u0159ebuje spr\u00e1vn\u00e9 \u017eiviny, aby mohl myslet, u\u010dit se a pamatovat si. To, co j\u00edme, ovliv\u0148uje v\u00fdvoj mozku, pam\u011b\u0165, soust\u0159ed\u011bn\u00ed a dokonce i n\u00e1ladu. Dob\u0159e vyv\u00e1\u017een\u00e1 strava m\u016f\u017ee zlep\u0161it kognitivn\u00ed funkce a sn\u00ed\u017eit riziko neurodegenerativn\u00edch onemocn\u011bn\u00ed, jako je demence. <\/p>\n\n\n\n

2.1 Makro\u017eiviny a stopov\u00e9 \u017eiviny nezbytn\u00e9 pro zdrav\u00ed mozku<\/strong><\/p>\n\n\n\n

Makro\u017eiviny \u2013 hlavn\u00ed \u017eiviny pro lidsk\u00fd organismus<\/em><\/strong>
Makro\u017eiviny jsou hlavn\u00edm zdrojem energie pro t\u011blo, v\u010detn\u011b mozku. Pln\u00ed tak\u00e9 dal\u0161\u00ed d\u016fle\u017eit\u00e9 funkce, jak je vysv\u011btleno v Modulu 1. <\/p>\n\n\n\n

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Sacharidy<\/h5><\/div>
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Toto je hlavn\u00ed palivo mozku. Celozrnn\u00e9 potraviny, jako jsou ovesn\u00e9 vlo\u010dky, hn\u011bd\u00e1 r\u00fd\u017ee a celozrnn\u00e9 pe\u010divo, poskytuj\u00ed st\u00e1lou energii, co\u017e pom\u00e1h\u00e1 zlep\u0161it koncentraci a pam\u011b\u0165. Naproti tomu rafinovan\u00e9 produkty s mal\u00fdm mno\u017estv\u00edm vl\u00e1kniny (nap\u0159. sladkosti, b\u00edl\u00e9 pe\u010divo) mohou zp\u016fsobit n\u00e1hl\u00e9 v\u00fdkyvy hladiny cukru v krvi, co\u017e vede k poklesu energie a pot\u00ed\u017e\u00edm se soust\u0159ed\u011bn\u00edm. <\/p><\/div><\/div><\/div>\n<\/div>\n\n\n\n

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B\u00edlkoviny<\/h5><\/div>
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obsahuj\u00ed aminokyseliny pot\u0159ebn\u00e9 k produkci neurotransmiter\u016f, jako je dopamin a serotonin, kter\u00e9 ovliv\u0148uj\u00ed n\u00e1ladu a kognitivn\u00ed funkce. Mezi nejlep\u0161\u00ed zdroje pat\u0159\u00ed libov\u00e9 maso, ryby, vejce, lu\u0161t\u011bniny a ml\u00e9\u010dn\u00e9 v\u00fdrobky.


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Tuky<\/h5><\/div>
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Zdrav\u00e9 tuky, zejm\u00e9na omega-3 mastn\u00e9 kyseliny, jsou nezbytn\u00e9 pro budov\u00e1n\u00ed neuron\u016f a zlep\u0161en\u00ed kognitivn\u00edch funkc\u00ed. Nach\u00e1zej\u00ed se v ryb\u00e1ch (jako je losos a makrela), o\u0159e\u0161\u00edch a semenech. Omega-3 mastn\u00e9 kyseliny podporuj\u00ed pam\u011b\u0165, sni\u017euj\u00ed riziko neurodegenerativn\u00edch onemocn\u011bn\u00ed a zlep\u0161uj\u00ed soust\u0159ed\u011bn\u00ed.

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Vitam\u00edny a miner\u00e1ly nezbytn\u00e9 pro funkci mozku<\/em><\/strong>
Tyto \u017eiviny hraj\u00ed kl\u00ed\u010dovou roli v udr\u017eov\u00e1n\u00ed zdrav\u00ed mozku a prevenci neurodegenerativn\u00edch onemocn\u011bn\u00ed. <\/p>\n\n\n\n

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Vitam\u00edny skupiny B (B6, B9 \u2013 kyselina listov\u00e1, B12)<\/h5><\/div>
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Podporuj\u00ed tvorbu neurotransmiter\u016f a spr\u00e1vnou funkci neuron\u016f. Nedostatky mohou v\u00e9st k probl\u00e9m\u016fm s pam\u011bt\u00ed a depres\u00edm. Mezi dobr\u00e9 zdroje pat\u0159\u00ed maso, ryby, vejce a zelen\u00e1 listov\u00e1 zelenina. <\/p><\/div><\/div><\/div>\n<\/div>\n\n\n\n

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Vitam\u00edn D<\/h5><\/div>
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Ovliv\u0148uje pam\u011b\u0165, n\u00e1ladu a imunitn\u00ed funkce. N\u00edzk\u00e9 hladiny vitaminu D jsou spojov\u00e1ny s vy\u0161\u0161\u00edm rizikem demence a sn\u00ed\u017eenou kognitivn\u00ed v\u00fdkonnost\u00ed. Mezi hlavn\u00ed zdroje pat\u0159\u00ed ryby, ml\u00e9\u010dn\u00e9 v\u00fdrobky a vystaven\u00ed slune\u010dn\u00edmu z\u00e1\u0159en\u00ed.


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\u017delezo<\/h5><\/div>
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Nezbytn\u00e9 pro dod\u00e1v\u00e1n\u00ed kysl\u00edku do mozku. Nedostatek m\u016f\u017ee zp\u016fsobit \u00fanavu, pot\u00ed\u017ee s koncentrac\u00ed a oslabenou pam\u011b\u0165. Nach\u00e1z\u00ed se v \u010derven\u00e9m mase, \u0161pen\u00e1tu a lu\u0161t\u011bnin\u00e1ch.

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Antioxidanty (vitam\u00edny C, E a polyfenoly, kyselina listov\u00e1, B12)<\/h5><\/div>
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Chr\u00e1n\u00ed mozkov\u00e9 bu\u0148ky p\u0159ed oxidativn\u00edm stresem a z\u00e1n\u011bty, kter\u00e9 p\u0159isp\u00edvaj\u00ed ke st\u00e1rnut\u00ed mozku. Nach\u00e1z\u00ed se v bobul\u00edch, o\u0159e\u0161\u00edch, zelen\u00e9m \u010daji a ho\u0159k\u00e9 \u010dokol\u00e1d\u011b. <\/p><\/div><\/div><\/div>\n<\/div>\n\n\n\n

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Ho\u0159\u010d\u00edk a zinek<\/h5><\/div>
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Podporuj\u00ed pam\u011b\u0165 a soust\u0159ed\u011bn\u00ed. Ho\u0159\u010d\u00edk pom\u00e1h\u00e1 sni\u017eovat stres, zat\u00edmco zinek se pod\u00edl\u00ed na p\u0159enosu nervov\u00fdch sign\u00e1l\u016f. Tyto miner\u00e1ly se nach\u00e1zej\u00ed v o\u0159e\u0161\u00edch, d\u00fd\u0148ov\u00fdch sem\u00ednk\u00e1ch, lu\u0161t\u011bnin\u00e1ch a ho\u0159k\u00e9 \u010dokol\u00e1d\u011b.


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Dal\u0161\u00ed \u017eiviny, kter\u00e9 podporuj\u00ed zdrav\u00ed mozku<\/em><\/strong><\/p>\n\n\n\n

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Flavonoidy a polyfenoly<\/h5><\/div>
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P\u0159\u00edrodn\u00ed slou\u010deniny obsa\u017een\u00e9 v ovoci (nap\u0159. bobule, hrozny, jablka), zelenin\u011b, \u010daji a \u010derven\u00e9m v\u00edn\u011b. Podporuj\u00ed u\u010den\u00ed a pam\u011b\u0165 a pom\u00e1haj\u00ed chr\u00e1nit p\u0159ed neurodegenerativn\u00edmi onemocn\u011bn\u00edmi. <\/p><\/div><\/div><\/div>\n<\/div>\n\n\n\n

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Probiotika a vl\u00e1knina<\/h5><\/div>
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Zdrav\u00ed st\u0159ev m\u00e1 p\u0159\u00edm\u00fd vliv na funkci mozku. St\u0159evn\u00ed bakterie ovliv\u0148uj\u00ed produkci neurotransmiter\u016f, jako je serotonin. Fermentovan\u00e9 potraviny (kter\u00e9 obsahuj\u00ed prosp\u011b\u0161n\u00e9 bakterie pro st\u0159eva, jako je jogurt, kef\u00edr a fermentovan\u00e1 zelenina s kyselinou ml\u00e9\u010dnou), p\u0159\u00edrodn\u00ed jogurty a zelenina bohat\u00e1 na vl\u00e1kninu (nap\u0159. brokolice, mrkev) pom\u00e1haj\u00ed udr\u017eovat zdravou rovnov\u00e1hu st\u0159evn\u00edho mikrobiomu, co\u017e m\u016f\u017ee zlep\u0161it n\u00e1ladu a kognitivn\u00ed funkce. <\/p><\/div><\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

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2.2. Vliv stravy na neurotransmitery a kognitivn\u00ed funkce<\/strong> <\/strong><\/p>\n\n\n\n

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Mozek ka\u017ed\u00fd den zpracov\u00e1v\u00e1 tis\u00edce podn\u011bt\u016f \u2013 ur\u010duje, jak se c\u00edt\u00edme, jak se u\u010d\u00edme a jak\u00e1 rozhodnut\u00ed d\u011bl\u00e1me. Jeho pr\u00e1ce z\u00e1vis\u00ed na komplexn\u00ed s\u00edti neuron\u016f, kter\u00e9 spolu komunikuj\u00ed pomoc\u00ed speci\u00e1ln\u00edch chemick\u00fdch l\u00e1tek zvan\u00fdch neurotransmitery. To, zda m\u00e1me dostatek t\u011bchto l\u00e1tek, ovliv\u0148uje na\u0161i n\u00e1ladu, \u00farove\u0148 stresu, schopnost soust\u0159ed\u011bn\u00ed a dokonce i to, jak dob\u0159e sp\u00edme. <\/p>\n\n\n\n

P\u0159esto\u017ee si t\u011blo neurotransmitery produkuje samo, strava hraje kl\u00ed\u010dovou roli. To, co j\u00edme, poskytuje \u017eiviny pot\u0159ebn\u00e9 pro jejich produkci a spr\u00e1vnou funkci (Briguglio et al., 2018). Poj\u010fme se tedy zamyslet nad t\u00edm, jak na\u0161e ka\u017edodenn\u00ed volba potravin ovliv\u0148uje fungov\u00e1n\u00ed na\u0161eho mozku. <\/p>\n<\/div>\n\n\n\n

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M\u016f\u017ee strava zlep\u0161it pam\u011b\u0165 a soust\u0159ed\u011bn\u00ed? <\/strong><\/em><\/p>\n\n\n\n

N\u011bkdy se sna\u017e\u00edme soust\u0159edit na studium, ale na\u0161e mysl se snadno rozpt\u00fdl\u00ed. Ukazuje se, \u017ee strava bohat\u00e1 na \u017eiviny, kter\u00e9 podporuj\u00ed produkci acetylcholinu, m\u016f\u017ee pomoci zlep\u0161it koncentraci a pam\u011b\u0165. Acetylcholin je neurotransmiter, kter\u00fd je nezbytn\u00fd pro procesy u\u010den\u00ed a pam\u011bti. Nach\u00e1z\u00ed se v potravin\u00e1ch, jako je \u0161pen\u00e1t, fazole, lilek a d\u00fdn\u011b. To je d\u016fvod, pro\u010d lid\u00e9, kte\u0159\u00ed pravideln\u011b jed\u00ed zeleninu a lu\u0161t\u011bniny, mohou zaznamenat lep\u0161\u00ed soust\u0159ed\u011bn\u00ed a pozornost p\u0159i pr\u00e1ci na \u00fakolech (Briguglio et al., 2018). <\/p>\n\n\n\n

INTERAKTIVN\u00cd AKTIVITA 7<\/strong><\/p>\n\n\n