{"id":1125,"date":"2025-10-06T09:02:25","date_gmt":"2025-10-06T07:02:25","guid":{"rendered":"https:\/\/www.moodbites.eu\/lesson\/3-understanding-stress-biological-and-phsycological-perspectives\/"},"modified":"2025-12-30T14:31:37","modified_gmt":"2025-12-30T13:31:37","slug":"3-understanding-stress-biological-and-phsycological-perspectives","status":"publish","type":"lesson","link":"https:\/\/www.moodbites.eu\/cs\/lesson\/3-understanding-stress-biological-and-phsycological-perspectives\/","title":{"rendered":"3. Porozum\u011bn\u00ed stresu: Biologick\u00e9 a psychologick\u00e9 perspektivy"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-025df057 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-1f8a609f\">\n<p class=\"has-ast-global-color-0-color has-text-color wp-block-paragraph\" style=\"font-size:28px\"><strong><em>Stres je p\u0159irozen\u00e1 reakce t\u011bla na v\u00fdzvy nebo hrozby.<\/em> <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z biologick\u00e9ho hlediska to lze popsat jako adaptivn\u00ed mechanismus, kter\u00fd umo\u017e\u0148uje t\u011blu reagovat na zm\u011bny v prost\u0159ed\u00ed. Tento proces je regulov\u00e1n nervov\u00fdm a endokrinn\u00edm syst\u00e9mem, kter\u00e9 p\u0159ipravuj\u00ed t\u011blo na akci prost\u0159ednictv\u00edm reakce \u201ebojuj nebo ute\u010d\u201c. Mezi kl\u00ed\u010dov\u00e9 prvky tohoto procesu pat\u0159\u00ed:  <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sympatick\u00fd nervov\u00fd syst\u00e9m, kter\u00fd aktivuje t\u011blo k reakci. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hypothalamo-hypofyz\u00e1rn\u011b-nadledvinov\u00e1 (HPA) osa, kter\u00e1 \u0159\u00edd\u00ed uvol\u0148ov\u00e1n\u00ed stresov\u00fdch hormon\u016f, jako je kortizol a adrenalin. Tato \u010d\u00e1st endokrinn\u00edho syst\u00e9mu pom\u00e1h\u00e1 t\u011blu vyrovnat se se stresem (Lu, Wei &amp; Li, 2021).  <\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-dd712b73\"><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"sensei-content-description wp-block-paragraph\"><\/p>\n\n\n<div class=\"sensei-block-wrapper\">\n<div class=\"wp-block-sensei-lms-lesson-actions\"><div class=\"sensei-buttons-container\">\n\n\n\n\n\n<\/div><\/div>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Psychologie vn\u00edm\u00e1 stres jako subjektivn\u00ed pro\u017eitek souvisej\u00edc\u00ed s po\u017eadavky prost\u0159ed\u00ed, kter\u00e9 p\u0159esahuj\u00ed schopnosti jedince se s nimi vyrovnat. Existuje mnoho teori\u00ed stresu, ale jednou z nejzn\u00e1m\u011bj\u0161\u00edch je teorie stresu, kterou vyvinuli Richard S. Lazarus a Susan Folkman. Podle Lazara a Folkman je stres dynamickou interakc\u00ed mezi jedincem a prost\u0159ed\u00edm. Tento model zahrnuje dv\u011b hlavn\u00ed f\u00e1ze hodnocen\u00ed:    <\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-16b6af41 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-101a774f\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#be7070;font-size:20px\"><strong>Prim\u00e1rn\u00ed hodnocen\u00ed \u2013 jedinec hodnot\u00ed, zda je situace: <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Neutr\u00e1ln\u00ed \u2013 nem\u00e1 \u017e\u00e1dn\u00fd vliv na pohodu dan\u00e9 osoby. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pozitivn\u00ed \u2013 m\u016f\u017ee to p\u0159in\u00e9st v\u00fdhody nebo nov\u00e9 p\u0159\u00edle\u017eitosti. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Negativn\u00ed \u2013 situace je vn\u00edm\u00e1na jako hrozba, v\u00fdzva nebo \u00fajma\/ztr\u00e1ta: <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hrozba \u2013 situace m\u016f\u017ee v\u00e9st k budouc\u00ed \u00fajm\u011b nebo ztr\u00e1t\u011b (nap\u0159. strach ze zkou\u0161ky, kter\u00e1 by mohla ovlivnit akademick\u00fd \u00fasp\u011bch). <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdzva \u2013 situace vy\u017eaduje \u00fasil\u00ed a mobilizaci zdroj\u016f, ale nab\u00edz\u00ed \u0161anci na r\u016fst a rozvoj (nap\u0159. \u00fa\u010dast v sout\u011b\u017ei, kter\u00e1 m\u016f\u017ee zlep\u0161it dovednosti). <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00dajma\/Ztr\u00e1ta \u2013 dan\u00e1 osoba ji\u017e za\u017eila \u00fajmu nebo negativn\u00ed d\u016fsledky (nap\u0159. ztr\u00e1ta zam\u011bstn\u00e1n\u00ed, rozchod, smrt bl\u00edzk\u00e9 osoby). <\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-6ec25bbb\">\n<p class=\"has-ast-global-color-1-color has-text-color wp-block-paragraph\" style=\"font-size:20px\"><strong>2. Sekund\u00e1rn\u00ed hodnocen\u00ed \u2013 jedinec hodnot\u00ed sv\u00e9 zdroje zvl\u00e1d\u00e1n\u00ed, v\u010detn\u011b: <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dostupn\u00e1 soci\u00e1ln\u00ed podpora, <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mo\u017enosti \u0159e\u0161en\u00ed probl\u00e9mu, <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Adaptivn\u00ed dovednosti (Obbarius a kol., 2021). <\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong><strong>INTERAKTIVN\u00cd AKTIVITA 14<\/strong><\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-278\" class=\"h5p-iframe\" data-content-id=\"278\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"INTERAKTIVN\u00cd AKTIVITA 14-MODULE 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-06993994 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Zvl\u00e1d\u00e1n\u00ed stresu se t\u00fdk\u00e1 v\u011bdom\u00fdch i nev\u011bdom\u00fdch krok\u016f podniknut\u00fdch ke sn\u00ed\u017een\u00ed nap\u011bt\u00ed zp\u016fsoben\u00e9ho stresem. M\u016f\u017ee zahrnovat jak \u00fasil\u00ed o \u0159e\u0161en\u00ed probl\u00e9m\u016f, tak strategie pro regulaci emoc\u00ed.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Strategie zvl\u00e1d\u00e1n\u00ed<\/strong> \u2013 jednotlivci pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 mechanismy ke zvl\u00e1d\u00e1n\u00ed \u00farovn\u011b stresu. Existuj\u00ed dva hlavn\u00ed zp\u016fsoby, jak se se stresem vyrovnat:  <\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>vy\u0159e\u0161en\u00edm probl\u00e9mu, kter\u00fd stres zp\u016fsobil, nebo <\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>uklidn\u011bn\u00edm a zvl\u00e1d\u00e1n\u00edm jejich emo\u010dn\u00ed reakce. <\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zvl\u00e1d\u00e1n\u00ed zam\u011b\u0159en\u00e9 na probl\u00e9m \u2013 tato strategie zahrnuje podniknut\u00ed krok\u016f k vy\u0159e\u0161en\u00ed stresov\u00e9 situace nebo ke zm\u011bn\u011b jej\u00ed p\u0159\u00ed\u010diny. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zahrnuje identifikaci probl\u00e9mu, anal\u00fdzu mo\u017en\u00fdch \u0159e\u0161en\u00ed a podniknut\u00ed krok\u016f ke sn\u00ed\u017een\u00ed stresu. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>P\u0159\u00edklad<\/em>: Osoba, kter\u00e1 je p\u0159ed zkou\u0161kou ve stresu, se p\u0159ipravuje studiem a organizac\u00ed sv\u00fdch materi\u00e1l\u016f. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zvl\u00e1d\u00e1n\u00ed zam\u011b\u0159en\u00e9 na emoce \u2013 tato strategie zahrnuje zvl\u00e1d\u00e1n\u00ed emoc\u00ed souvisej\u00edc\u00edch se stresovou situac\u00ed, ani\u017e by se p\u0159\u00edmo m\u011bnil samotn\u00fd probl\u00e9m. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zam\u011b\u0159uje se na sni\u017eov\u00e1n\u00ed negativn\u00edch emoc\u00ed, jako je \u00fazkost nebo frustrace, pomoc\u00ed relaxa\u010dn\u00edch technik nebo p\u0159ehodnocen\u00edm situace. <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>P\u0159\u00edklad<\/em>: Osoba, kter\u00e1 za\u017eila obt\u00ed\u017enou situaci, praktikuje dechov\u00e9 techniky, medituje nebo hovo\u0159\u00ed s bl\u00edzk\u00fdmi, aby z\u00edskala emocion\u00e1ln\u00ed podporu. <\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-2c97af8c98b9daca565c42061ecd3abb wp-block-paragraph\" style=\"color:#e4493e;font-size:28px\"><strong>3.1. Role neurotransmiter\u016f v reakci na stres<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00ed\u017ee uveden\u00e1 tabulka uv\u00e1d\u00ed hlavn\u00ed neurotransmitery zapojen\u00e9 do reakce t\u011bla na stres <\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"background-color:#e6f1d4;border-width:2px\"><tbody><tr><td><strong>Neurotransmiter<\/strong> <\/td><td><strong>Popis<\/strong> <strong><\/strong> <\/td><\/tr><tr><td><strong>Adrenalin a noradrenalin<\/strong> <\/td><td>Syntetizov\u00e1n nadledvinami a sympatick\u00fdm nervov\u00fdm syst\u00e9mem. P\u0159ipravuje t\u011blo na reakci \u201ebojuj nebo ute\u010d\u201c zv\u00fd\u0161en\u00edm tepov\u00e9 frekvence, krevn\u00edho tlaku a hladiny gluk\u00f3zy v krvi.  <\/td><\/tr><tr><td><strong>Dopamine<\/strong> <\/td><td>Zodpov\u00edd\u00e1 za motivaci, odm\u011bnu a pocit uspokojen\u00ed. Ve stresu se jeho hladiny mohou zvy\u0161ovat nebo sni\u017eovat, co\u017e ovliv\u0148uje n\u00e1ladu a chov\u00e1n\u00ed.  <\/td><\/tr><tr><td><strong>Serotonin<\/strong> <\/td><td>Reguluje n\u00e1ladu, sp\u00e1nek a chu\u0165 k j\u00eddlu. Stres m\u016f\u017ee sni\u017eovat jeho hladinu a zvy\u0161ovat riziko deprese a \u00fazkosti.  <\/td><\/tr><tr><td><strong>GABA (Gamma-Aminobutyric Acid)<\/strong> <\/td><td>The main inhibitory neurotransmitter, which reduces nervous system activity. Low GABA levels during stress lead to increased tension and excitability.  <\/td><\/tr><tr><td><strong>Glutam\u00e1t<\/strong> <\/td><td>Hlavn\u00ed excita\u010dn\u00ed neurotransmiter, kter\u00fd zvy\u0161uje neuron\u00e1ln\u00ed aktivitu. Nadm\u011brn\u00e1 aktivace ve stresu m\u016f\u017ee v\u00e9st k neurotoxicit\u011b a kognitivn\u00edm probl\u00e9m\u016fm.  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong><strong>INTERAKTIVN\u00cd AKTIVITA 15<\/strong><\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-276\" class=\"h5p-iframe\" data-content-id=\"276\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"INTERAKTIVN\u00cd AKTIVITA 15 (A)-MODULE2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-fe762ff3 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-277\" class=\"h5p-iframe\" data-content-id=\"277\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"INTERAKTIVN\u00cd AKTIVITA 15 (b)-MODULE 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-223515cb wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"background-color:#e9f3d9;border-width:2px\"><tbody><tr><td><strong>Reference<\/strong>  <\/td><\/tr><tr><td>Obbarius, N., Fischer, F., Liegl, G., Obbarius, A., &amp; Rose, M. (2021). Modifikovan\u00e1 verze konceptu transak\u010dn\u00edho stresu podle Lazara a Folkmana byla potvrzena u vzorku psychosomatick\u00fdch pacient\u016f na hospitalizaci. Frontiers in Psychology, 12, 584333. <a href=\"https:\/\/doi.org\/10.3389\/fpsyg.2021.584333\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.3389\/fpsyg.2021.584333<\/a><br>Lu, S., Wei, F., &amp; Li, G. (2021). V\u00fdvoj konceptu stresu a r\u00e1mec stresov\u00e9ho syst\u00e9mu. Cell Stress, 5(6), 76\u201385. <a href=\"https:\/\/doi.org\/10.15698\/cst2021.06.250\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.15698\/cst2021.06.250<\/a><br>Knezevic, E., Nenic, K., Milanovi\u0107, V., &amp; Knezevic, N. N. (2023). \u00daloha kortisolu v chronick\u00e9m stresu, neurodegenerativn\u00edch onemocn\u011bn\u00edch a psychick\u00fdch poruch\u00e1ch. Cells, 12(23), 2726.       <a href=\"https:\/\/doi.org\/10.3390\/cells12232726\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.3390\/cells12232726<\/a>  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-1944f146179ace67ede3fb4284296ad8 wp-block-paragraph\" style=\"color:#e4493e;font-size:28px\"><strong>3.2. Stravovac\u00ed n\u00e1vyky ve stresu<\/strong><\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-76da2040 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-7d3d6c7d\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c2d934b2\">\n<p class=\"wp-block-paragraph\"><em>Stres je v\u00fdznamn\u00fd faktor ovliv\u0148uj\u00edc\u00ed lidsk\u00e9 chov\u00e1n\u00ed, v\u010detn\u011b stravovac\u00edch n\u00e1vyk\u016f.<\/em> <br>Ovliv\u0148uje v\u00fdb\u011br potravin jak biologick\u00fdmi mechanismy, tak zm\u011bnami v chov\u00e1n\u00ed. V\u00fdzkum uk\u00e1zal, \u017ee stres m\u016f\u017ee naru\u0161it b\u011b\u017en\u00e9 stravovac\u00ed n\u00e1vyky, co\u017e \u010dasto vede ke zv\u00fd\u0161en\u00e9 konzumaci nezdrav\u00fdch potravin a sn\u00ed\u017een\u00e9mu p\u0159\u00edjmu v\u00fd\u017eivn\u00fdch potravin (Hill a kol., 2022). Tento modul zkoum\u00e1 vztah mezi stresem a stravovac\u00edmi n\u00e1vyky a zahrnuje poznatky z ned\u00e1vn\u00fdch studi\u00ed a metaanal\u00fdz.   <\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-ast-global-color-0-color has-text-color wp-block-paragraph\" style=\"font-size:28px\"><strong><em>Jak stres ovliv\u0148uje chu\u0165 k j\u00eddlu?<\/em> <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stres je v ka\u017edodenn\u00edm \u017eivot\u011b b\u011b\u017en\u00fd a m\u016f\u017ee ovlivnit zdrav\u00ed, v\u010detn\u011b zm\u011bn chuti k j\u00eddlu. Jedna studie zkoumala, jak akutn\u00ed stres ovliv\u0148uje chu\u0165 k j\u00eddlu u zdrav\u00fdch mu\u017e\u016f bez obezity b\u011bhem p\u016fstu.  <br>Akutn\u00ed stres ozna\u010duje n\u00e1hlou a kr\u00e1tkodobou reakci na obt\u00ed\u017enou situaci, jako je ve\u0159ejn\u00e9 vystupov\u00e1n\u00ed nebo \u0159e\u0161en\u00ed n\u00e1ro\u010dn\u00e9ho matematick\u00e9ho probl\u00e9mu. <br>V experimentu \u00fa\u010dastn\u00edci vykon\u00e1vali stresuj\u00edc\u00ed \u00fakoly a pot\u00e9 si prohl\u00ed\u017eeli obr\u00e1zky j\u00eddla, zat\u00edmco byla zaznamen\u00e1v\u00e1na jejich mozkov\u00e1 aktivita. V\u00fdsledky uk\u00e1zaly, \u017ee stres zv\u00fd\u0161il aktivitu nervov\u00e9ho syst\u00e9mu, ale z\u00e1rove\u0148 potla\u010dil chu\u0165 k j\u00eddlu. Tento efekt byl spojen se zm\u011bnami v p\u0159edn\u00ed \u010d\u00e1sti mozku (zn\u00e1m\u00e9 jako front\u00e1ln\u00ed p\u00f3l).   <br>Tato zji\u0161t\u011bn\u00ed nazna\u010duj\u00ed, \u017ee stres m\u016f\u017ee sni\u017eovat pocity hladu, zejm\u00e9na pokud souvis\u00ed s o\u010dek\u00e1v\u00e1n\u00edm obt\u00ed\u017en\u00e9 ud\u00e1losti (Nakamura a kol., 2020). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby v\u011bdci l\u00e9pe porozum\u011bli tomuto jevu, provedli metaanal\u00fdzu n\u011bkolika v\u011bdeck\u00fdch studi\u00ed, jejich\u017e c\u00edlem bylo odhadnout s\u00edlu vztahu mezi stresem a stravov\u00e1n\u00edm u zdrav\u00fdch dosp\u011bl\u00fdch a identifikovat faktory, kter\u00e9 by mohly tuto souvislost ovlivnit. Anal\u00fdza zahrnovala pouze studie, ve kter\u00fdch byl stres jasn\u011b definov\u00e1n jako negativn\u00ed environment\u00e1ln\u00ed ud\u00e1lost (sp\u00ed\u0161e ne\u017e emocion\u00e1ln\u00ed stav) a kter\u00e9 hodnotily stravovac\u00ed n\u00e1vyky nesouvisej\u00edc\u00ed s poruchami p\u0159\u00edjmu potravy.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The results showed a small but statistically significant relationship between stress and overall food intake. Stress was associated with an increase in the consumption of unhealthy foods, while simultaneously reducing the intake of healthy foods. This suggests that under stress, people are more likely to choose high-calorie foods rich in sugar and fat, while cutting back on foods considered beneficial for health.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anal\u00fdza potenci\u00e1ln\u00edch modera\u010dn\u00edch faktor\u016f uk\u00e1zala, \u017ee jedin\u00fdm v\u00fdznamn\u00fdm moder\u00e1torem byla dietn\u00ed omezen\u00ed. Jedinci, kte\u0159\u00ed dodr\u017eovali restriktivn\u00ed p\u0159\u00edstup k j\u00eddlu, reagovali na stres odli\u0161n\u011b, zejm\u00e9na pokud jde o konzumaci nezdrav\u00fdch potravin.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esto\u017ee je vliv stresu na stravovac\u00ed n\u00e1vyky mal\u00fd, jeho d\u016fsledky mohou b\u00fdt pro ve\u0159ejn\u00e9 zdrav\u00ed v\u00fdznamn\u00e9. Zv\u00fd\u0161en\u00fd p\u0159\u00edjem nezdrav\u00fdch potravin v kombinaci se sn\u00ed\u017eenou konzumac\u00ed zdrav\u00fdch mo\u017enost\u00ed m\u016f\u017ee \u010dasem p\u0159isp\u011bt k rozvoji metabolick\u00fdch onemocn\u011bn\u00ed a dal\u0161\u00edch zdravotn\u00edch probl\u00e9m\u016f. Je zapot\u0159eb\u00ed dal\u0161\u00edho v\u00fdzkumu k identifikaci faktor\u016f, kter\u00e9 tento vztah ovliv\u0148uj\u00ed, zejm\u00e9na t\u011bch, kter\u00e9 rozli\u0161uj\u00ed mezi p\u0159\u00edjmem zdrav\u00fdch a nezdrav\u00fdch potravin (Hill a kol., 2022).   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lid\u00e9, kte\u0159\u00ed \u010dast\u011bji za\u017e\u00edvali stres a pro\u0161li negativn\u00edmi \u017eivotn\u00edmi ud\u00e1lostmi, m\u011bli siln\u011bj\u0161\u00ed chu\u0165 na chutn\u00e9, ale nezdrav\u00e9 j\u00eddlo. Tak\u00e9 m\u011bli v\u011bt\u0161\u00ed pot\u00ed\u017ee s kontrolou mno\u017estv\u00ed konzumovan\u00e9ho j\u00eddla. To nazna\u010duje, \u017ee n\u011bkte\u0159\u00ed jedinci jsou n\u00e1chyln\u011bj\u0161\u00ed k dopad\u016fm stresu na stravovac\u00ed n\u00e1vyky.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Studie nav\u00edc zjistila, \u017ee stres ovliv\u0148oval stravovac\u00ed n\u00e1vyky i kr\u00e1tkodob\u011b. Ve dnech, kdy se dosp\u00edvaj\u00edc\u00ed c\u00edtili v\u00edce stresovan\u00ed ne\u017e obvykle, s v\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed jedli v reakci na n\u00e1ro\u010dn\u00e9 emoce. Jin\u00fdmi slovy, d\u016fle\u017eit\u00e1 nen\u00ed jen celkov\u00e1 \u00farove\u0148 stresu v \u017eivot\u011b \u010dlov\u011bka \u2013 denn\u00ed v\u00fdkyvy \u00farovn\u011b stresu mohou ovlivnit i v\u00fdb\u011br potravin.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zji\u0161t\u011bn\u00ed ukazuj\u00ed, \u017ee stres m\u016f\u017ee v\u00e9st k nezdrav\u00fdm stravovac\u00edm n\u00e1vyk\u016fm u mlad\u00fdch lid\u00ed. Tento vztah se m\u016f\u017ee li\u0161it v z\u00e1vislosti na tom, zda zkoum\u00e1me celkovou \u00farove\u0148 stresu dan\u00e9 osoby, nebo kr\u00e1tkodob\u00e9, ka\u017edodenn\u00ed zm\u011bny. Je zapot\u0159eb\u00ed dal\u0161\u00edho v\u00fdzkumu, abychom l\u00e9pe pochopili, jak stres ovliv\u0148uje stravovac\u00ed n\u00e1vyky a pro\u010d jsou n\u011bkte\u0159\u00ed lid\u00e9 na jeho \u00fa\u010dinky citliv\u011bj\u0161\u00ed ne\u017e jin\u00ed (Hsu &amp; Raposa, 2020).   <\/p>\n\n\n\n<p class=\"has-ast-global-color-0-color has-text-color wp-block-paragraph\" style=\"font-size:28px\"><strong><em>Pro\u010d n\u011bkte\u0159\u00ed lid\u00e9 jed\u00ed ve stresu v\u00edce, zat\u00edmco jin\u00ed m\u00e9n\u011b?<\/em><\/strong><\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d5d4f55c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-27dbc0a5\">\n<p class=\"wp-block-paragraph\">Ne ka\u017ed\u00fd reaguje na stres stejn\u011b. N\u011bkte\u0159\u00ed jedinci \u2013 tzv. \u201eemo\u010dn\u00ed jedl\u00edci\u201c \u2013 maj\u00ed tendenci j\u00edst v\u00edce, zejm\u00e9na nezdrav\u00fdch potravin, aby si zlep\u0161ili n\u00e1ladu. Jin\u00ed p\u0159i stresu ztr\u00e1cej\u00ed chu\u0165 k j\u00eddlu.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdzkum nazna\u010duje, \u017ee kl\u00ed\u010dovou roli v tomto rozd\u00edlu m\u016f\u017ee hr\u00e1t hormon ghrelin. Lid\u00e9, kte\u0159\u00ed poci\u0165uj\u00ed zv\u00fd\u0161enou chu\u0165 k j\u00eddlu ve stresu, maj\u00ed \u010dasto ni\u017e\u0161\u00ed klidov\u00e9 hladiny ghrelinu, co\u017e je m\u016f\u017ee v\u00e9st k vyhled\u00e1v\u00e1n\u00ed potravin s vysok\u00fdm obsahem kalori\u00ed, aby poc\u00edtili \u00falevu (Sominsky &amp; Spencer, 2014).  <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-7bd9f4ce\">\n<p class=\"has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-5b4f7e500030a73d57c5a5e92b0a91d2 wp-block-paragraph\"><strong>Hormony, stres a stravov\u00e1n\u00ed<\/strong> <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Leptin \u2013 sni\u017euje chu\u0165 k j\u00eddlu, ale chronick\u00fd stres m\u016f\u017ee v\u00e9st k leptinov\u00e9 rezistenci, co\u017e m\u016f\u017ee v\u00e9st k p\u0159ej\u00edd\u00e1n\u00ed.<\/strong> <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ghrelin \u2013 zn\u00e1m\u00fd jako hormon hladu; jeho hladiny se zvy\u0161uj\u00ed p\u0159i stresu a povzbuzuj\u00ed k p\u0159\u00edjmu potravy.<\/strong> <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Peptid YY (PYY) \u2013 sni\u017euje chu\u0165 k j\u00eddlu, ale jeho hladiny mohou b\u00fdt naru\u0161eny stresem. <\/strong><strong>(Ans a kol., 2018)<\/strong> <\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-ast-global-color-0-color has-text-color wp-block-paragraph\" style=\"font-size:28px\"><em><strong>Chronick\u00fd stres a p\u0159ib\u00edr\u00e1n\u00ed na v\u00e1ze<\/strong><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e je \u010dlov\u011bk vystaven stresu po dlouhou dobu, t\u011blo produkuje zv\u00fd\u0161en\u00e9 mno\u017estv\u00ed kortizolu. To m\u016f\u017ee v\u00e9st ke zv\u00fd\u0161en\u00e9 chuti k j\u00eddlu, hromad\u011bn\u00ed tuku a vy\u0161\u0161\u00edmu riziku nadv\u00e1hy. Chronick\u00fd stres je tak\u00e9 spojov\u00e1n s metabolick\u00fdmi onemocn\u011bn\u00edmi, jako je cukrovka 2. typu. Je v\u0161ak d\u016fle\u017eit\u00e9 poznamenat, \u017ee v n\u011bkter\u00fdch p\u0159\u00edpadech m\u016f\u017ee chronick\u00fd stres v\u00e9st ke sn\u00ed\u017een\u00e9 chuti k j\u00eddlu, zejm\u00e9na u jedinc\u016f se sklonem k depresi (Sominsky &amp; Spencer, 2014).    <\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-ast-global-color-5-background-color has-text-color has-background has-medium-font-size wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\"><strong><strong>INTERAKTIVN\u00cd AKTIVITA 16<\/strong><\/strong><\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-275\" class=\"h5p-iframe\" data-content-id=\"275\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"INTERAKTIVN\u00cd AKTIVITA 16-MODULE 2\"><\/iframe><\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-a58414b8 wp-block-uagb-separator--icon\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><div class=\"wp-block-uagb-separator-element\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\"><path d=\"M381.2 150.3L524.9 171.5C536.8 173.2 546.8 181.6 550.6 193.1C554.4 204.7 551.3 217.3 542.7 225.9L438.5 328.1L463.1 474.7C465.1 486.7 460.2 498.9 450.2 506C440.3 513.1 427.2 514 416.5 508.3L288.1 439.8L159.8 508.3C149 514 135.9 513.1 126 506C116.1 498.9 111.1 486.7 113.2 474.7L137.8 328.1L33.58 225.9C24.97 217.3 21.91 204.7 25.69 193.1C29.46 181.6 39.43 173.2 51.42 171.5L195 150.3L259.4 17.97C264.7 6.954 275.9-.0391 288.1-.0391C300.4-.0391 311.6 6.954 316.9 17.97L381.2 150.3z\"><\/path><\/svg><\/div><\/div><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-border-color has-ast-global-color-4-border-color has-fixed-layout\" style=\"background-color:#e9f3d9;border-width:2px\"><tbody><tr><td><strong>Reference<\/strong>  <\/td><\/tr><tr><td>Ans, A. H., Anjum, I., Satija, V., Inayat, A., Asghar, Z., Akram, I. a Shrestha, B. (23. \u010dervence 2018). Neurohormon\u00e1ln\u00ed regulace chuti k j\u00eddlu a jej\u00ed vztah ke stresu: Kr\u00e1tk\u00fd p\u0159ehled literatury. Cureus, 10(7), e3032.  https:\/\/doi.org\/10.7759\/cureus.3032\n <br>Hill, D., Conner, M., Clancy, F., Moss, R., Wilding, S., Bristow, M. a O&#8217;Connor, D. B. (2022). Stres a stravovac\u00ed n\u00e1vyky u zdrav\u00fdch dosp\u011bl\u00fdch: Systematick\u00fd p\u0159ehled a metaanal\u00fdza. <em>Health Psychology Review,<\/em> 16(2), 280\u2013304. https:\/\/doi.org\/10.1080\/17437199.2021.1923406<br>Hsu, T. a Raposa, E. B. (2021). Vliv stresu na stravovac\u00ed n\u00e1vyky u dosp\u00edvaj\u00edc\u00edch: Ka\u017edodenn\u00ed zkoum\u00e1n\u00ed. <em>Psychology &amp; Health<\/em>, 36(2), 236\u2013251. https:\/\/doi.org\/10.1080\/08870446.2020.1766041<br>Nakamura, C., Ishii, A., Matsuo, T., Ishida, R., Yamaguchi, T., Takada, K., Uji, M., &amp; Yoshikawa, T. (2020). Neur\u00e1ln\u00ed \u00fa\u010dinky akutn\u00edho stresu na chu\u0165 k j\u00eddlu: Studie magnetoencefalografie. <em>PLOS ONE<\/em>, 15(1), e0228039.      https:\/\/doi.org\/10.1371\/journal.pone.0228039\n <br>Sominsky, L., &amp; Spencer, S. J. (2014). P\u0159\u00ed\u010diny stravov\u00e1n\u00ed a stres: <em>Cesta k obezit\u011b. Frontiers in Psychology<\/em>, 5, 434.  https:\/\/doi.org\/10.3389\/fpsyg.2014.00434\n <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_uag_custom_page_level_css":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_initial_content":"","_new_post":false,"footnotes":"","_quiz_has_questions":false,"_lesson_complexity":"easy","_lesson_length":10,"_lesson_course":1109,"_lesson_preview":""},"lesson-tag":[],"class_list":["post-1125","lesson","type-lesson","status-publish","hentry","module-modul-2","post"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3. 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