{"id":219684,"date":"2025-01-28T01:00:31","date_gmt":"2025-01-28T01:00:31","guid":{"rendered":"https:\/\/eu.intelligentlabs.org\/prerusovany-pust\/"},"modified":"2025-09-23T11:55:20","modified_gmt":"2025-09-23T10:55:20","slug":"prerusovany-pust","status":"publish","type":"post","link":"https:\/\/eu.intelligentlabs.org\/cs-cz\/prerusovany-pust\/","title":{"rendered":"Je p\u0159eru\u0161ovan\u00fd p\u016fst dieta na hubnut\u00ed?"},"content":{"rendered":"\n\n\n<p><strong>P\u0159eru\u0161ovan\u00fd p\u016fst<\/strong>&nbsp;a jeho p\u016fvod.&nbsp;<strong>P\u016fst<\/strong>&nbsp;je jednou z nejstar\u0161\u00edch zn\u00e1m\u00fdch metod l\u00e9\u010dby nemoc\u00ed. Historici zjistili, \u017ee ho poprv\u00e9 zm\u00ednil \u0159eck\u00e9 l\u00e9ka\u0159&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Hippocrates\" target=\"_blank\" rel=\"noreferrer noopener\">Hippocrates v 5. stolet\u00ed p\u0159ed na\u0161\u00edm letopo\u010dtem<\/a>&nbsp;(Hippokrates je \u010dasto pova\u017eov\u00e1n za otce modern\u00ed medic\u00edny), doporu\u010doval vynech\u00e1v\u00e1n\u00ed j\u00eddla a pit\u00ed p\u0159i ur\u010dit\u00e9 l\u00e9\u010db\u011b nemoc\u00ed.&nbsp;<\/p>\n\n\n\n<p>Od t\u00e9 doby o n\u00ed mluvila cel\u00e1 \u0159ada zn\u00e1m\u00fdch historick\u00fdch postav od Plat\u00f3na po&nbsp;Paracelsa. P\u016fst je tak\u00e9 sou\u010d\u00e1st\u00ed prakticky ka\u017ed\u00e9ho n\u00e1bo\u017eenstv\u00ed a duchovn\u00edch praktik, kdy Je\u017e\u00ed\u0161, Buddha a Mohammed vychvalovali jeho ctnosti. Pou\u017e\u00edv\u00e1 se k l\u00e9\u010db\u011b nebo zlep\u0161en\u00ed \u0161irok\u00e9 \u0161k\u00e1ly nemoc\u00ed a zdravotn\u00edch probl\u00e9m\u016f, v\u010detn\u011b zlep\u0161en\u00ed koncentrace, hubnut\u00ed, zlep\u0161en\u00ed inzul\u00ednov\u00e9 rezistence a kognitivn\u00edch probl\u00e9m\u016f, jako je demence a Alzheimerova choroba, a dokonce i zvr\u00e1cen\u00ed samotn\u00e9ho st\u00e1rnut\u00ed!&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je p\u0159eru\u0161ovan\u00fd p\u016fst tak popul\u00e1rn\u00ed?&nbsp;<\/h2>\n\n\n\n<p>Jeden konkr\u00e9tn\u00ed typ p\u016fstu, p\u0159eru\u0161ovan\u00fd p\u016fst, je v sou\u010dasn\u00e9 dob\u011b velmi m\u00f3dn\u00ed. Skoro to vypad\u00e1, jako by o tom v\u0161ichni mluvili, a pokud o n\u011bm nemluv\u00edte, mohlo by v\u00e1m b\u00fdt odpu\u0161t\u011bno, \u017ee jste si mysleli, \u017ee jste ten zvl\u00e1\u0161tn\u00ed, a pravd\u011bpodobn\u011b by to tak m\u011blo b\u00fdt.&nbsp;<\/p>\n\n\n\n<p>Navzdory v\u0161eho humbuku v\u0161ak&nbsp;<strong>p\u0159eru\u0161ovan\u00fd p\u016fst nen\u00ed vhodn\u00fd pro v\u0161echny<\/strong>. Ve skute\u010dnosti, pokud budete d\u011blat n\u011bco \u0161patn\u011b, m\u016f\u017ee v\u00e1m je\u0161t\u011b ubl\u00ed\u017eit. Bohu\u017eel nen\u00ed k dispozici dostatek dobr\u00fdch informac\u00ed, kter\u00e9 by vysv\u011btlovaly, jak porozum\u011bt rozd\u00edlu.&nbsp;<\/p>\n\n\n\n<p>V t\u00e9to p\u0159\u00edru\u010dce se tedy pod\u00edv\u00e1me na to,&nbsp;<strong>jak spr\u00e1vn\u011b prov\u00e1d\u011bt p\u0159eru\u0161ovan\u00fd p\u016fst,<\/strong>&nbsp;abychom z\u00edskali potenci\u00e1ln\u00ed v\u00fdhody p\u0159eru\u0161ovan\u00e9ho p\u016fstu, ale tak\u00e9 abychom se vyhnuli jeho rizik\u016fm. To by m\u011blo ka\u017ed\u00e9mu poskytnout n\u00e1stroje, kter\u00e9 pot\u0159ebuje k pokusu o p\u0159eru\u0161ovan\u00fd p\u016fst zp\u016fsobem, kter\u00fd je relativn\u011b snadn\u00fd a bezpe\u010dn\u00fd. Pokud v\u00e1m p\u0159eru\u0161ovan\u00fd p\u016fst p\u0159ipad\u00e1 n\u00e1ro\u010dn\u00fd a m\u00e1te pocit, \u017ee to nezvl\u00e1dnete a m\u00e1te chu\u0165 to vzd\u00e1t, pravd\u011bpodobn\u011b d\u011bl\u00e1te n\u011bco \u0161patn\u011b.&nbsp;<\/p>\n\n\n\n<p>Pouh\u00e9 n\u00e1sledov\u00e1n\u00ed rad \u201efitness guru\u201c nebo kohokoli jin\u00e9ho v tomto ohledu nemus\u00ed b\u00fdt t\u00edm spr\u00e1vn\u00fdm p\u0159\u00edstupem. Jak brzy uvid\u00edme, biologie ka\u017ed\u00e9ho \u010dlov\u011bka je jin\u00e1 a porozum\u011bn\u00ed je kl\u00ed\u010dem k \u00fasp\u011bchu ka\u017ed\u00e9ho. To plat\u00ed, a\u0165 u\u017e chcete p\u0159eru\u0161ovan\u00fd p\u016fst pro sebe nebo vytv\u00e1\u0159et programy pro sv\u00e9 klienty.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Post\u00edte se nebo hladov\u00edte? Jak za\u010d\u00edt p\u0159eru\u0161ovan\u00fd p\u016fst?&nbsp;<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Nenechte se vyhladov\u011bt&nbsp;<\/h3>\n\n\n\n<p><strong>Prvn\u00ed pravidlo p\u0159eru\u0161ovan\u00e9ho p\u016fstu je nejd\u016fle\u017eit\u011bj\u0161\u00ed, a to je, abyste nehladov\u011bli!&nbsp;<\/strong><\/p>\n\n\n\n<p>V dan\u00e9m okam\u017eiku lidsk\u00e9 t\u011blo vyu\u017e\u00edv\u00e1 k v\u00fdrob\u011b energie gluk\u00f3zu i tuk. Ve skute\u010dnosti asi 50 % &#8211; 70 % energie, kterou pot\u0159ebujeme, v klidu poch\u00e1z\u00ed z tuku (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">1<\/a>&nbsp;).&nbsp;<strong>V\u017edy v\u0161ak pot\u0159ebujeme k dispozici gluk\u00f3zu,<\/strong>&nbsp;proto\u017ee na\u0161e \u010derven\u00e9 krvinky, kter\u00e9 p\u0159en\u00e1\u0161ej\u00ed kysl\u00edk po t\u011ble, nemohou vyu\u017e\u00edvat tuk k v\u00fdrob\u011b energie, pouze gluk\u00f3za. Gluk\u00f3za je tak\u00e9 nezbytn\u00e1 pro b\u011bh mozku. Mozek m\u016f\u017ee pro energii vyu\u017e\u00edvat ketony, molekulu na b\u00e1zi tuk\u016f, o \u010dem\u017e budeme diskutovat pozd\u011bji, ale i kdy\u017e je k dispozici velk\u00e1 z\u00e1soba keton\u016f, st\u00e1le pot\u0159ebuje nejm\u00e9n\u011b 33 % sv\u00e9 energie, aby poch\u00e1zelo z gluk\u00f3zy (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">2<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6-1024x512.jpeg\" alt=\"barevn\u00e9 koblihy s n\u00e1pln\u00ed - zaru\u010den\u011b v\u00e1m p\u0159i hubnut\u00ed nepom\u016f\u017ee\" class=\"wp-image-219572\" srcset=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6-1024x512.jpeg 1024w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6-300x150.jpeg 300w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6-768x384.jpeg 768w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6-600x300.jpeg 600w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-01-6.jpeg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>V\u017edy <strong>pot\u0159ebujeme cukr <\/strong>v krvi!&nbsp;<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Z tohoto d\u016fvodu pot\u0159ebujeme po celou dobu cukr v krvi, abychom m\u011bli palivo pro na\u0161e RBC a na\u0161e mozky. V krvi n\u00e1m cirkuluj\u00ed v pr\u016fm\u011bru 4 gramy cukru, co\u017e je p\u0159ibli\u017en\u011b 1 \u010dajov\u00e1 l\u017ei\u010dka, a 60 % z toho vyu\u017e\u00edv\u00e1 mozek na energii (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">3<\/a>&nbsp;) a t\u011blo se bude velmi sna\u017eit udr\u017eujte tyto 4 gramy stabiln\u00ed. 4 gramy jsou mal\u00e9 mno\u017estv\u00ed, kdy\u017e o nich p\u0159em\u00fd\u0161l\u00edte ve srovn\u00e1n\u00ed s t\u00edm, kolik \u010dlov\u011bk v\u00e1\u017e\u00ed, ale je to \u017eivotn\u011b d\u016fle\u017eit\u00e9. Pokud se p\u0159\u00edli\u0161 sn\u00ed\u017e\u00ed, za\u010dnou se zhor\u0161ovat v\u0161echny na\u0161e metabolick\u00e9 funkce. A pokud bude i nad\u00e1le klesat, centr\u00e1ln\u00ed nervov\u00fd syst\u00e9m se za\u010dne vyp\u00ednat a pak nakonec p\u0159ejdeme do z\u00e1chvatu a pot\u00e9 do smrti.&nbsp;<\/p>\n\n\n\n<p>B\u011bhem na\u0161eho v\u00fdvoje byly kapky cukru v krvi pro \u017eivot v\u011bt\u0161\u00ed rizikov\u00fd faktor ne\u017e p\u0159\u00edli\u0161 vysok\u00e1 hladina cukru v krvi. Jin\u00fdmi slovy, hladov\u011bn\u00ed bylo pravd\u011bpodobn\u011bj\u0161\u00ed ne\u017e na\u0161e \u0161ance na nalezen\u00ed krabic pln\u00fdch koblih, na kter\u00fdch si m\u016f\u017eete pochutnat.&nbsp;<\/p>\n\n\n\n<p>Z tohoto d\u016fvodu m\u00e1me&nbsp;<strong>\u010dty\u0159i hormony, kter\u00e9 mohou zv\u00fd\u0161it hladinu cukru v&nbsp;krvi<\/strong>&nbsp;:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>glucagkon&nbsp;<\/li><li>adrenalin&nbsp;<\/li><li>kortizol&nbsp;<\/li><li>a r\u016fstov\u00fd hormon.&nbsp;<\/li><\/ul>\n\n\n\n<p>M\u00e1me v\u0161ak pouze&nbsp;<strong>jeden, kter\u00fd ho&nbsp;sni\u017euje &#8211; inzul\u00edn.<\/strong>&nbsp;<\/p>\n\n\n\n<p>Role jater v p\u0159eru\u0161ovan\u00e9m p\u016fstu (udr\u017euj\u00ed stabilitu krevn\u00edho cukru)&nbsp;<\/p>\n\n\n\n<p>V klidu, kdykoli se hladina cukru v krvi sn\u00ed\u017e\u00ed, mozek zaznamen\u00e1 pokles a signalizuje produkci hormon\u016f glukagon, adrenalin, kortizol a r\u016fstov\u00fd hormon. To signalizuje zv\u00fd\u0161en\u00ed funkce jater a cukru v krvi (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">4<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<p>J\u00e1tra to d\u011blaj\u00ed dv\u011bma zp\u016fsoby:&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Prvn\u00ed je uvol\u0148ov\u00e1n\u00edm glykogenu z jeho z\u00e1sob glykogenu (glykogen je jednodu\u0161e n\u00e1zev ulo\u017een\u00e9 gluk\u00f3zy v t\u011ble).&nbsp;<\/li><\/ol>\n\n\n\n<p>2. Druh\u00fdm zp\u016fsobem je produkce v\u00edce gluk\u00f3zy v procesu zvan\u00e9m glukoneogeneze. J\u00e1tra uchov\u00e1vaj\u00ed asi&nbsp;80 &#8211; 100&nbsp;gram\u016f glykogenu. Relativn\u011b je to obrovsk\u00e9 mno\u017estv\u00ed, kter\u00e9 se rovn\u00e1 zhruba 5 % &#8211; 6 % hmotnosti jater (ve srovn\u00e1n\u00ed s 1 % &#8211; 2 % ve svalu) (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">5<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<p>I kdy\u017e j\u00e1tra udr\u017euj\u00ed stabiln\u00ed hladinu cukru v krvi,&nbsp;<strong>t\u011blo tak\u00e9 za\u010d\u00edn\u00e1 z\u00edsk\u00e1vat v\u00edce energie z tuk\u016f<\/strong>. D\u011bl\u00e1 to tak, \u017ee zvy\u0161uje odbour\u00e1v\u00e1n\u00ed tukov\u00fdch bun\u011bk (adipocyt\u016f) v t\u011ble za \u00fa\u010delem uvol\u0148ov\u00e1n\u00ed mastn\u00fdch kyselin do krve a pot\u00e9 zvy\u0161uje spalov\u00e1n\u00ed mastn\u00fdch kyselin na energii v procesu zvan\u00e9m beta-oxidace. Sou\u010dasn\u011b v\u00edce mastn\u00fdch kyselin doraz\u00ed do jater z krevn\u00edho ob\u011bhu a pou\u017e\u00edv\u00e1 je k produkci v\u00edce molekuly na b\u00e1zi tuku naz\u00fdvan\u00e9 ketony.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-66.jpeg\" alt=\"grafika zn\u00e1zor\u0148uj\u00edc\u00ed j\u00e1tra a jej\u00ed roli p\u0159i skladov\u00e1n\u00ed glykogenu  \" class=\"wp-image-251852\" srcset=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-66.jpeg 600w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-66-300x225.jpeg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Keto a p\u0159eru\u0161ovan\u00fd&nbsp;p\u016fst &#8211; role&nbsp;keton\u016f&nbsp;<\/strong><\/h2>\n\n\n\n<p>N\u00e1r\u016fst produkce keton\u016f b\u011bhem obdob\u00ed hladov\u011bn\u00ed se vyvinul, aby pomohl lidem p\u0159e\u017e\u00edt obdob\u00ed, kdy j\u00eddlo nebylo voln\u011b dostupn\u00e9. Ketony n\u00e1m d\u00e1vaj\u00ed&nbsp;<strong>dal\u0161\u00ed zdroj energie<\/strong>, abychom mohli up\u0159ednostnit z\u00e1soby gluk\u00f3zy v mozku a \u010derven\u00fdch krvink\u00e1ch (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">5, 6<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<p><strong>Bohu\u017eel mastn\u00e9 kyseliny m\u016f\u017ee mozek vyu\u017e\u00edvat pouze ve velmi mal\u00e9m mno\u017estv\u00ed<\/strong>&nbsp;(&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">7<\/a>&nbsp;). Mozek v\u0161ak miluje ketony, tak\u017ee v\u00fdroba a pou\u017e\u00edv\u00e1n\u00ed keton\u016f n\u00e1m umo\u017e\u0148uje u\u0161et\u0159it gluk\u00f3zu. D\u00e1v\u00e1 mozku dobr\u00fd zdroj energie, tak\u017ee nepropad\u00e1 panice a zaplavuje t\u011blo stresov\u00fdmi hormony.&nbsp;<\/p>\n\n\n\n<p>Probl\u00e9m nen\u00ed v&nbsp;<strong>tom, \u017ee ka\u017ed\u00fd produkuje ketony efektivn\u011b<\/strong>. Studie prok\u00e1zaly, \u017ee lid\u00e9, kte\u0159\u00ed jsou fyzicky zdatn\u00ed a pravideln\u011b tr\u00e9nuj\u00ed, maj\u00ed vy\u0161\u0161\u00ed hladinu keton\u016f. Maj\u00ed tak\u00e9 lep\u0161\u00ed schopnost pou\u017e\u00edvat tyto ketony k v\u00fdrob\u011b energie (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">8, 9<\/a>&nbsp;). Mohou mnohem snadn\u011bji rozlo\u017eit ulo\u017een\u00fd tuk na voln\u00e9 mastn\u00e9 kyseliny, tak\u017ee j\u00e1tra maj\u00ed p\u0159\u00edstup k v\u011bt\u0161\u00edmu mno\u017estv\u00ed tuku, co\u017e mu umo\u017e\u0148uje produkovat v\u00edce keton\u016f (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">8<\/a>&nbsp;). Vy\u0161kolen\u00ed jedinci mohou tak\u00e9 l\u00e9pe vyu\u017e\u00edvat b\u011b\u017en\u00e9 mastn\u00e9 kyseliny k v\u00fdrob\u011b energie (prost\u0159ednictv\u00edm beta oxidace).&nbsp;<\/p>\n\n\n\n<p>To znamen\u00e1, \u017ee pro&nbsp;<strong>n\u011bkter\u00e9 lidi bude rychl\u00e9<\/strong>&nbsp;a snadn\u00e9 p\u0159ej\u00edt na vy\u0161\u0161\u00ed \u00farove\u0148 spalov\u00e1n\u00ed tuk\u016f, synt\u00e9zu a pou\u017eit\u00ed keton\u016f.&nbsp;<\/p>\n\n\n\n<p>Lid\u00e9, kte\u0159\u00ed maj\u00ed nadv\u00e1hu, netr\u00e9nuj\u00ed nebo maj\u00ed jin\u00e9 zdravotn\u00ed probl\u00e9my, v\u0161ak mohou bojovat s p\u0159eru\u0161ovan\u00fdm p\u016fstem. Dobr\u00fdm zp\u016fsobem, jak si p\u0159edstavit probl\u00e9m, je to, \u017ee p\u016fst v podstat\u011b stresuje t\u011blo. Pro zdrav\u011bj\u0161\u00ed lidi je to stres, kter\u00fd dok\u00e1\u017eou zvl\u00e1dnout, a pr\u00e1v\u011b tento zdrav\u00fd stres p\u0159in\u00e1\u0161\u00ed pozitivn\u00ed potenci\u00e1ln\u00ed v\u00fdhody p\u016fstu (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">10, 11<\/a>&nbsp;). Stresuj\u00edc\u00ed bu\u0148ky, p\u0159inejmen\u0161\u00edm zdrav\u00e9 bu\u0148ky, vytv\u00e1\u0159ej\u00ed pozitivn\u00ed reakci, d\u00edky n\u00ed\u017e jsou bu\u0148ky v budoucnu \u201esiln\u011bj\u0161\u00ed\u201c a odoln\u011bj\u0161\u00ed v\u016f\u010di stresu. Funguje to stejn\u00fdm zp\u016fsobem, \u017ee d\u00edky fyzick\u00e9mu tr\u00e9ninku je n\u011bkdo siln\u011bj\u0161\u00ed, rychlej\u0161\u00ed nebo buduje v\u011bt\u0161\u00ed vytrvalost.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-04-57.jpeg\" alt=\"role keton\u016f p\u0159i p\u0159eru\u0161ovan\u00e9m p\u016fstu a hubnut\u00ed  \n\" class=\"wp-image-251879\" srcset=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-04-57.jpeg 1000w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-04-57-300x169.jpeg 300w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-04-57-768x432.jpeg 768w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-04-57-600x338.jpeg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Co se ale stane, kdy\u017e bu\u0148ky nejsou zdrav\u00e9?&nbsp;<\/h2>\n\n\n\n<p>Stres, kter\u00fd nezp\u016fsobuje pozitivn\u00ed reakci, zp\u016fsobuje po\u0161kozen\u00ed.&nbsp;<\/p>\n\n\n\n<p><strong>Lid\u00e9, kte\u0159\u00ed zkou\u0161ej\u00ed p\u0159eru\u0161ovan\u00e9 hladov\u011bn\u00ed, mus\u00ed m\u00edt metabolickou flexibilitu, aby mohli p\u0159ep\u00ednat mezi spot\u0159ebou v\u00edce gluk\u00f3zy a spot\u0159ebou v\u00edce tuku pro energii.&nbsp;<\/strong><\/p>\n\n\n\n<p>Tato flexibilita je z\u00e1sadn\u00ed a \u010dasto se kr\u010d\u00edm, kdy\u017e sly\u0161\u00edm vhodn\u00e9 a zdrav\u00e9 v\u00fd\u017eivov\u00e9 poradce nebo osobn\u00ed tren\u00e9ry doporu\u010duj\u00edc\u00ed p\u0159eru\u0161ovan\u00fd p\u016fst sv\u00fdm klient\u016fm bez ohledu na jejich metabolickou flexibilitu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak tedy zjist\u00edm, jestli j\u00e1 (nebo moji klienti) zvl\u00e1dnu p\u0159eru\u0161ovan\u00fd p\u016fst?&nbsp;<\/h2>\n\n\n\n<p>Existuj\u00ed dva varovn\u00e9 sign\u00e1ly, \u017ee ob\u010dasn\u00fd p\u016fst nezvl\u00e1dnete.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prvn\u00edm z nich je rychl\u00e1 ztr\u00e1ta hmotnosti.&nbsp;<\/h3>\n\n\n\n<p>To te\u010f m\u016f\u017ee zn\u00edt trochu divn\u011b,&nbsp;<strong>proto\u017ee jednou z v\u00fdhod p\u016fstu je ur\u010dit\u011b hubnut\u00ed?<\/strong>&nbsp;Je, ale&nbsp;<strong>pouze v p\u0159\u00edpad\u011b,<\/strong>&nbsp;\u017ee ztr\u00e1ta hmotnosti je tuk.&nbsp;<\/p>\n\n\n\n<p><strong>Pokud hladov\u00edte, va\u0161e t\u011blo vyu\u017eije v\u0161echny sv\u00e9 z\u00e1soby glykogenu na energii<\/strong>. Zat\u00edmco j\u00e1tra maj\u00ed pouze&nbsp;80 &#8211; 100&nbsp;gram\u016f z\u00e1sob glykogenu, glykogen udr\u017eujeme tak\u00e9 v jin\u00fdch \u010d\u00e1stech t\u011bla. Nejv\u011bt\u0161\u00ed z\u00e1soba ve svalech, ale tak\u00e9 v jin\u00fdch \u010d\u00e1stech t\u011bla, dokonce i v mozku!&nbsp;<\/p>\n\n\n\n<p>V pr\u016fm\u011bru maj\u00ed lid\u00e9 v t\u011ble ulo\u017eeno p\u0159ibli\u017en\u011b 600 gram\u016f glykogenu, i kdy\u017e m\u016f\u017ee dos\u00e1hnout a\u017e 1 kg. Za ka\u017ed\u00fd 1 gram glykogenu, kter\u00fd sp\u00e1l\u00edme na energii, spolu s n\u00edm ztrat\u00edme tak\u00e9 dal\u0161\u00ed 3\u20134 gramy vody (12). Tak\u017ee pou\u017eit\u00ed a\u017e 600 gram\u016f glykogenu by mohlo znamenat ztr\u00e1tu dal\u0161\u00edch 2400 gram\u016f vody, co\u017e znamen\u00e1, \u017ee by se mohly velmi rychle ztratit 3 kg celkov\u00e9 hmotnosti a nic z toho by nebyl tuk. M\u016f\u017eeme tak\u00e9 rozkl\u00e1dat b\u00edlkoviny na energii, nejv\u011bt\u0161\u00edm zdrojem je na\u0161e kostern\u00ed svalstvo, a na ka\u017ed\u00fd rozlo\u017een\u00fd svalov\u00fd protein tak\u00e9 ztr\u00e1c\u00edme dal\u0161\u00ed 4 gramy hmotnosti vody (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">13<\/a>&nbsp;). Lid\u00e9 tak snadno uvid\u00ed v\u00fdrazn\u00fd \u00fabytek na v\u00e1ze, ani\u017e by z toho byl tuk.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Druh\u00fd varovn\u00fd&nbsp;sign\u00e1l &#8211; p\u0159eru\u0161ovan\u00fd&nbsp;p\u016fst by nem\u011bl b\u00fdt bojem.&nbsp;<\/h3>\n\n\n\n<p><em>M\u00e1m pocit, \u017ee um\u00edr\u00e1m, ale hubnu!<\/em>&nbsp;<\/p>\n\n\n\n<p>Druh\u00e1 v\u011bc, kter\u00e1, kdy\u017e si uv\u011bdom\u00edte fyziologii p\u016fstu, je velmi z\u0159ejm\u00e1, je, \u017ee&nbsp;<strong>se c\u00edt\u00edte \u0161patn\u011b<\/strong>. P\u0159eru\u0161ovan\u00fd p\u016fst by NEM\u011aL b\u00fdt bojem.&nbsp;<\/p>\n\n\n\n<p>N\u00edzk\u00e1 hladina cukru v krvi zvy\u0161uje hormony spojen\u00e9 se stresem. Kdy\u017e hladiny glykogenu v j\u00e1trech tak\u00e9 za\u010dnou klesat, mozek bude d\u00e1le zvy\u0161ovat hladiny hormon\u016f, pokud nedostane dostate\u010dn\u00fd p\u0159\u00edsun keton\u016f na palivo, aby p\u0159evzal nedostatek gluk\u00f3zy.&nbsp;<\/p>\n\n\n\n<p>Pokud v\u0161ak nem\u00e1 dostate\u010dn\u00fd p\u0159\u00edsun keton\u016f, zv\u00fd\u0161\u00ed hladinu stresov\u00e9ho hormonu a vytvo\u0159\u00ed celou \u0159adu negativn\u00edch vedlej\u0161\u00edch \u00fa\u010dink\u016f (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">14<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<p>Tehdy lid\u00e9 poci\u0165uj\u00ed&nbsp;<strong>ob\u010dasn\u00e9 ne\u017e\u00e1douc\u00ed \u00fa\u010dinky nala\u010dno<\/strong>, kter\u00e9 zahrnuj\u00ed:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>hladov\u00e9 chut\u011b&nbsp;<\/li><li>z\u00e1vrat\u011b&nbsp;<\/li><li>\u00fanava&nbsp;<\/li><li>hn\u011bv&nbsp;<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>slabost&nbsp;<\/li><li>podr\u00e1\u017ed\u011bnost&nbsp;<\/li><li>\u00fazkost&nbsp;<\/li><li>depresivn\u00ed pocity nebo n\u011bco podobn\u00e9ho.&nbsp;<\/li><\/ul>\n\n\n\n<p>Je v&nbsp;<strong>po\u0159\u00e1dku m\u00edt m\u00edrn\u00fd pocit hladu<\/strong>, ale pokud se skute\u010dn\u011b c\u00edt\u00edte \u0161patn\u011b, m\u00e1 to sv\u016fj d\u016fvod. V\u00e1\u0161 mozek dost\u00e1v\u00e1 silnou zpr\u00e1vu, \u017ee v prost\u0159ed\u00ed nen\u00ed k dispozici \u017e\u00e1dn\u00e9 j\u00eddlo, a proto d\u011bl\u00e1 v\u0161e pro to, aby v\u00e1m zabr\u00e1nil v pohybu a spalov\u00e1n\u00ed kalori\u00ed nav\u00edc, v podstat\u011b t\u00edm, \u017ee se budete c\u00edtit \u201ena nic\u201c. Je to zcela logick\u00e1 reakce z evolu\u010dn\u00edho hlediska.&nbsp;<\/p>\n\n\n\n<p>Pokud se tedy c\u00edt\u00edte \u0161patn\u011b a rychle jste zhubli, p\u0159esta\u0148te. Kdy\u017e hladov\u00edte, motivace v\u00e1s m\u016f\u017ee dostat jen tak daleko. Nakonec sel\u017ee, a kdy\u017e k tomu dojde, lid\u00e9 velmi \u010dasto z\u00edskaj\u00ed p\u0159\u00edr\u016fstek hmotnosti. Je to proto, \u017ee ve skute\u010dnosti nesp\u00e1lili \u017e\u00e1dn\u00fd tuk, jen svaly a glykogen. V\u00e1\u0161 mozek nyn\u00ed tak\u00e9 v\u011b\u0159\u00ed, \u017ee je nedostatek j\u00eddla, tak\u017ee kdy\u017e se kone\u010dn\u011b podd\u00e1te a za\u010dnete znovu j\u00edst, budete m\u00edt obrovskou chu\u0165 k j\u00eddlu. Va\u0161e t\u011blo tak\u00e9 rychle obnov\u00ed z\u00e1soby glykogenu na je\u0161t\u011b vy\u0161\u0161\u00ed \u00farove\u0148 ne\u017e d\u0159\u00edve a ve\u0161ker\u00e9 p\u0159ebyte\u010dn\u00e9 kalorie ulo\u017e\u00ed jako tuk jako bezpe\u010dnostn\u00ed opat\u0159en\u00ed pro p\u0159\u00edpad, \u017ee by se potraviny znovu staly vz\u00e1cn\u00fdmi (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">14, 15<\/a>&nbsp;). Nakonec tedy skon\u010d\u00edte s v\u011bt\u0161\u00edm mno\u017estv\u00edm tuku a glykogenu, ne\u017e jste d\u0159\u00edve za\u010dali, a d\u00edky tomu v\u00e1\u017e\u00edte v\u00edce.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6-1024x512.jpeg\" alt=\"unaven\u00fd mu\u017e v posilovn\u011b bez energie\" class=\"wp-image-219614\" srcset=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6-1024x512.jpeg 1024w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6-300x150.jpeg 300w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6-768x384.jpeg 768w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6-600x300.jpeg 600w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/08\/image-03-6.jpeg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tak\u017ee pokud se c\u00edt\u00edm \u0161patn\u011b, nem\u011bl bych v\u016fbec d\u011blat p\u0159eru\u0161ovan\u00fd p\u016fst?&nbsp;<\/h2>\n\n\n\n<p>Ne, st\u00e1le m\u016f\u017eete rychle, ale mus\u00edte nejprve ud\u011blat&nbsp;<strong>program p\u0159izp\u016fsoben\u00ed tuku<\/strong>. To znamen\u00e1 tr\u00e9novat sv\u00e9 t\u011blo, aby se l\u00e9pe rozkl\u00e1dalo na tuky a pou\u017e\u00edvat je p\u0159\u00edmo na energii a na v\u00fdrobu keton\u016f. Je to stejn\u00fd program jako lid\u00e9, kte\u0159\u00ed za\u010d\u00ednaj\u00ed s&nbsp;ketogenn\u00ed&nbsp;dietou, a trv\u00e1 p\u0159ibli\u017en\u011b 3 t\u00fddny. Pot\u00e9 to va\u0161e t\u011blo bude produkovat adekv\u00e1tn\u00ed ketony, kter\u00e9 budou z\u00e1sobovat v\u00e1\u0161 mozek po celou dobu hladov\u011bn\u00ed.&nbsp;<\/p>\n\n\n\n<p>Podrobn\u011b jsem se j\u00ed zab\u00fdval v&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/how-to-get-into-ketosis-easily\/\" target=\"_blank\" rel=\"noreferrer noopener\">tomto \u010dl\u00e1nku o ketogenn\u00ed strav\u011b<\/a>, tak\u017ee si ji pros\u00edm p\u0159e\u010dt\u011bte, pokud pot\u0159ebujete. Souhrn krok\u016f, kter\u00e9 je t\u0159eba podniknout, je v\u0161ak:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Za\u010dn\u011bte j\u00edst 75 % &#8211; 80 % kalori\u00ed poch\u00e1zej\u00edc\u00edch z tuk\u016f, 5 % kalori\u00ed poch\u00e1zej\u00edc\u00edch ze sacharid\u016f,&nbsp;15%&nbsp;&#8211; 20 % kalori\u00ed poch\u00e1zej\u00edc\u00edch z b\u00edlkovin.&nbsp;<\/li><li>Zm\u011b\u0159te si hladinu keton\u016f pomoc\u00ed elektronick\u00e9ho m\u011b\u0159i\u010de keton\u016f (k dispozici online). Sna\u017e\u00edte se dostat na hladinu ketonu v krvi 0,5&nbsp;mmol&nbsp;&#8211; 3&nbsp;mmol, kter\u00e1 je zn\u00e1m\u00e1 jako nutri\u010dn\u00ed ket\u00f3za.&nbsp;<\/li><li>Vezm\u011bte dopl\u0148ky C8 olej a \/ nebo BHB ketony, pokud nejste ve v\u00fd\u017eivov\u00e9 ket\u00f3ze 0,5&nbsp;mmol&nbsp;&#8211; 3&nbsp;mmol, abyste z\u00edskali palivo do mozku, jakmile se stanete keto-adaptovan\u00fdmi.&nbsp;<\/li><li>Pokud st\u00e1le nejste ve v\u00fd\u017eivov\u00e9 ket\u00f3ze, zvy\u0161te tuky a sni\u017ete sacharidy nebo b\u00edlkoviny.&nbsp;<\/li><li>Pokud jste v nutri\u010dn\u00ed ket\u00f3ze, pokra\u010dujte po dobu 3 t\u00fddn\u016f. Po 3 t\u00fddnech jste \u201eketo p\u0159izp\u016fsobeni\u201c a m\u016f\u017eete bezpe\u010dn\u011b zkusit znovu p\u0159eru\u0161ovan\u00fd p\u016fst.&nbsp;<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Metoda p\u0159eru\u0161ovan\u00e9ho p\u016fstu 16: 8&nbsp;<\/h2>\n\n\n\n<p>Jakmile v\u00edte, \u017ee jste p\u0159izp\u016fsobeni tuku \/ keto, doporu\u010duji metodu 16: 8. To znamen\u00e1 p\u016fst po dobu 16 hodin ka\u017ed\u00fd den.&nbsp;<\/p>\n\n\n\n<p>Pokud je ve\u010de\u0159e ve 20 hodin, pak dal\u0161\u00ed j\u00eddlo bude v poledne n\u00e1sleduj\u00edc\u00edho dne. B\u011bhem prvn\u00edch 2 t\u00fddn\u016f od zah\u00e1jen\u00ed p\u0159eru\u0161ovan\u00e9ho p\u016fstu to m\u016f\u017ee b\u00fdt upraveno na 14-8, tak\u017ee p\u016fst po dobu 14 hodin denn\u011b. Pokud je tedy ve\u010de\u0159e ve 20 hodin, dal\u0161\u00ed j\u00eddlo lze p\u0159en\u00e9st na 10 hodin.&nbsp;<a href=\"https:\/\/www.healthline.com\/nutrition\/16-8-intermittent-fasting\" target=\"_blank\" rel=\"noreferrer noopener\">16hodinov\u00e9 p\u0159eru\u0161ovan\u00fd p\u016fst<\/a>&nbsp;byl d\u016fkladn\u011b studov\u00e1n a uk\u00e1zal v\u00fdhody p\u0159i hubnut\u00ed, srde\u010dn\u00edch onemocn\u011bn\u00edch, cukrovce, krevn\u00edm tlaku, cholesterolu v krvi a sn\u00ed\u017een\u00ed z\u00e1n\u011btu (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">15, 16<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<p>Existuj\u00ed i jin\u00e9 p\u0159eru\u0161ovan\u00e9 metody hladov\u011bn\u00ed, kter\u00e9 se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed, v\u010detn\u011b&nbsp;<strong>stravy s pom\u011brem 5: 2,<\/strong>&nbsp;kter\u00e1 zahrnuje norm\u00e1ln\u00ed stravov\u00e1n\u00ed 5 dn\u00ed v t\u00fddnu, p\u0159i\u010dem\u017e omezuje p\u0159\u00edjem kalori\u00ed na 500\u2013600 po dobu 2 dn\u016f v t\u00fddnu a&nbsp;<strong>alternativn\u00ed denn\u00ed hladov\u011bn\u00ed,<\/strong>&nbsp;co\u017e je b\u011b\u017en\u00e9 stravov\u00e1n\u00ed jeden den a omezen\u00ed p\u0159\u00edjmu kalori\u00ed na 500\u2013600 ka\u017ed\u00fd druh\u00fd den. Pokud pro v\u00e1s budou fungovat l\u00e9pe, pak je to v po\u0159\u00e1dku, zdravotn\u00ed v\u00fdhody budou st\u00e1le podobn\u00e9. Zjistil jsem v\u0161ak, \u017ee metoda 16: 8 se dlouhodob\u011b sn\u00e1ze udr\u017euje a zapad\u00e1 do soci\u00e1ln\u00edho \u017eivota lid\u00ed.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Autofagie&nbsp;a p\u0159eru\u0161ovan\u00fd p\u016fst&nbsp;<\/h2>\n\n\n\n<p>Mnoho v\u00fdhod p\u0159eru\u0161ovan\u00e9ho p\u016fstu je zp\u016fsobeno bun\u011b\u010dn\u00fdm procesem zvan\u00fdm&nbsp;<strong>autofagie<\/strong>. Jedn\u00e1 se o proces, kdy bu\u0148ka pou\u017e\u00edv\u00e1 ur\u010dit\u00e9 struktury zvan\u00e9&nbsp;<strong>autofagozomy,<\/strong>&nbsp;kter\u00e9 lze pova\u017eovat za bun\u011b\u010dn\u00e9 \u201es\u00edt\u011b\u201c, kter\u00e9 proch\u00e1zej\u00ed shroma\u017e\u010fov\u00e1n\u00edm v\u011bc\u00ed v bu\u0148ce, kter\u00e9 jsou star\u00e9 nebo po\u0161kozen\u00e9. Pot\u00e9 se spoj\u00ed s lysozomem, kter\u00fd obsahuje spoustu enzym\u016f, kter\u00e9 je mohou v\u0161echny rozlo\u017eit.&nbsp;<\/p>\n\n\n\n<p>Je to trochu jako oprava va\u0161eho domu po jednom p\u0159\u00edli\u0161 velk\u00e9m mno\u017estv\u00ed divok\u00fdch ve\u010d\u00edrk\u016f. J\u00edme-li po\u0159\u00e1d, pak je to jako ve\u010d\u00edrek pro na\u0161e bu\u0148ky. P\u016fst ale umo\u017e\u0148uje, aby nastal opak, kde vym\u011bn\u00edme, oprav\u00edme a obnov\u00edme jak\u00e9koli po\u0161kozen\u00ed.&nbsp;<strong>Autofagie&nbsp;se za\u010d\u00edn\u00e1 v na\u0161em t\u011ble objevovat asi 12 hodin po na\u0161em posledn\u00edm j\u00eddle<\/strong>, tak\u017ee p\u0159eru\u0161ovan\u00e9 hodiny nala\u010dno 16\/8 jsou dobrou metodou pro zv\u00fd\u0161en\u00ed&nbsp;autofagie&nbsp;(&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">17<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-02-27.jpeg\" alt=\"autofagie\" class=\"wp-image-251906\" width=\"840\" height=\"465\" srcset=\"https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-02-27.jpeg 900w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-02-27-300x166.jpeg 300w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-02-27-768x426.jpeg 768w, https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2025\/09\/image-02-27-600x333.jpeg 600w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159eru\u0161ovan\u00fd p\u016fst a cvi\u010den\u00ed&nbsp;<\/h2>\n\n\n\n<p>Cvi\u010den\u00ed nala\u010dno m\u016f\u017ee zv\u00fd\u0161it&nbsp;autofagii&nbsp;a n\u011bkte\u0159\u00ed lid\u00e9, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed metodu 16\/8, to r\u00e1di p\u0159id\u00e1vaj\u00ed do sv\u00e9 rutiny (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">18<\/a>&nbsp;). I kdy\u017e to m\u016f\u017ee p\u0159in\u00e9st dal\u0161\u00ed v\u00fdhody, lid\u00e9, kte\u0159\u00ed to cht\u011bj\u00ed vyzkou\u0161et, si mus\u00ed&nbsp;<strong>b\u00fdt v\u011bdomi toho, \u017ee energie sp\u00e1len\u00e1 b\u011bhem cvi\u010den\u00ed by mohla omezit dostupnost keton\u016f pro mozek<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Jin\u00fdmi slovy, nem\u011bli byste si v\u0161imnout \u017e\u00e1dn\u00fdch negativn\u00edch vedlej\u0161\u00edch \u00fa\u010dink\u016f, kdy\u017e tr\u00e9nujete nala\u010dno, nad r\u00e1mec b\u011b\u017en\u00fdch pocit\u016f, kter\u00e9 byste m\u011bli ze samotn\u00e9ho cvi\u010den\u00ed. Pokud zjist\u00edte, \u017ee p\u0159i cvi\u010den\u00ed za\u017e\u00edv\u00e1te negativn\u00ed vedlej\u0161\u00ed \u00fa\u010dinky, nezkou\u0161ejte to prosadit. M\u00edsto toho uvoln\u011bte zp\u011bt intenzitu cvi\u010den\u00ed na z\u00e1t\u011b\u017e, kde nejsou \u017e\u00e1dn\u00e9 vedlej\u0161\u00ed \u00fa\u010dinky. Pak, pokud chcete, m\u016f\u017eete pomalu zvy\u0161ovat intenzitu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mohou si d\u011bti a dosp\u00edvaj\u00edc\u00ed vyzkou\u0161et p\u0159eru\u0161ovan\u00fd p\u016fst?&nbsp;<\/h2>\n\n\n\n<p>Nedoporu\u010duji p\u016fst d\u011btem nebo dosp\u00edvaj\u00edc\u00edm proch\u00e1zej\u00edc\u00edm pubertou, proto\u017ee maj\u00ed zv\u00fd\u0161en\u00e9 nutri\u010dn\u00ed a kalorick\u00e9 po\u017eadavky (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">19<\/a>&nbsp;). Studie na 9\u201311let\u00fdch tak\u00e9 zjistila, \u017ee p\u0159eskakov\u00e1n\u00ed sn\u00eddan\u011b m\u011blo negativn\u00ed dopad na v\u00fdkonnost \u0159e\u0161en\u00ed probl\u00e9m\u016f v pozdn\u00edch rann\u00edch hodin\u00e1ch u d\u011bt\u00ed (&nbsp;<a href=\"https:\/\/www.intelligentlabs.org\/intermittent-fasting-weight-loss-guide\/#references\" target=\"_blank\" rel=\"noreferrer noopener\">20<\/a>&nbsp;).&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br&nbsp;<\/h2>\n\n\n\n<p>P\u0159eru\u0161ovan\u00fd p\u016fst m\u016f\u017ee p\u0159in\u00e9st ur\u010dit\u00e9 zdravotn\u00ed v\u00fdhody a lze jej pou\u017e\u00edt kr\u00e1tkodob\u011b nebo dlouhodob\u011b bezpe\u010dn\u011b. Je v\u0161ak d\u016fle\u017eit\u00e9 ujistit se, \u017ee se to d\u011bl\u00e1 spr\u00e1vn\u011b, a \u017ee kdokoli, kdo zkou\u0161\u00ed dietu, vyvinul metabolickou flexibilitu pro p\u0159echod mezi u\u017e\u00edv\u00e1n\u00edm gluk\u00f3zy a tuk\u016f \/ keton\u016f. Kdy\u017e si lid\u00e9 vezmou \u010das na spr\u00e1vn\u00e9 p\u0159izp\u016fsoben\u00ed se p\u016fstu, mohou p\u0159in\u00e9st opravdu dobr\u00e9 zdravotn\u00ed v\u00fdhody a nem\u011bl by to b\u00fdt boj. Jakmile se pln\u011b p\u0159izp\u016fsoben\u00ed \u00fa\u010dastn\u00edci mohou tak\u00e9 rozhodnout, \u017ee se post\u00ed jen n\u011bkolik dn\u00ed v t\u00fddnu, m\u00edsto toho ka\u017ed\u00fd den, v z\u00e1vislosti na jejich \u017eivotn\u00edm stylu.&nbsp;<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Reference&nbsp;<\/strong><\/h1>\n\n\n\n<p>(1) Nicola Longo, Marta Frigeni, and Marzia Pasquali, Carnitine Transport and Fatty Acid Oxidation, Biochim Biophys Acta. 2016 Oct; 1863(10): 2422\u20132435.<\/p>\n\n\n\n<p>(2) Berg JM, Tymoczko JL, Stryer L., Biochemistry. 5th edition, New York: W H Freeman; 2002.<\/p>\n\n\n\n<p>(3) David H. Wasserman, Four grams of glucose, Am J Physiol Endocrinol Metab. 2009 Jan; 296(1): E11\u2013E21.<\/p>\n\n\n\n<p>(4) D G Johnston, A Pernet, A McCulloch, G Blesa-Malpica, J M Burrin, K G Alberti, Some hormonal influences on glucose and ketone body metabolism in normal human subjects<\/p>\n\n\n\n<p>(5) Bob Murray, Christine Rosenbloom, Fundamentals of glycogen metabolism for coaches and athletes, Nutr Rev. 2018 Apr; 76(4): 243\u2013259.<\/p>\n\n\n\n<p>(6) Louise M. Burke, Luc J. C. van Loon, and John A. Hawley, Postexercise muscle glycogen resynthesis in humans, Journal of Applied Physiology, 01 MAY 2017<\/p>\n\n\n\n<p>(7) Peter Sch\u00f6nfeld, and Georg Reiser. Why does brain metabolism not favor burning of fatty acids to provide energy? \u2013 Reflections on disadvantages of the use of free fatty acids as fuel for brain. J Cereb Blood Flow Metab. 2013 Oct; 33(10): 1493\u20131499.<\/p>\n\n\n\n<p>(8) Askew, E. W.; Dohm, G. L.; Huston, R. L. (1975). Fatty Acid and Ketone Body Metabolism in the Rat: Response to Diet and Exercise1. The Journal of Nutrition, 105(11), 1422\u20131432.<\/p>\n\n\n\n<p>(9) Johnson, R. H., Walton, J. L., Krebs, H. A. &amp; Williamson, D. H. (1069) Post exercise ketosis. Lancet 2, 1383-1385.<\/p>\n\n\n\n<p>(10) Duan W. and Mattson M. P. (1999) Dietary restriction and 2-deoxyglucose administration improve behavioral outcome and reduce degeneration of dopaminergic neurons in models of Parkinson\u2019s disease. J. Neurosci. Res. 57, 195\u2013206.<\/p>\n\n\n\n<p>(11) Mark P. MattsonT, Ruiqian Wan, Beneficial effects of intermittent fasting and caloric restriction on the cardiovascular and cerebrovascular systems, Journal of Nutritional Biochemistry 16 (2005) 129 \u2013 137<\/p>\n\n\n\n<p>(12) S N Kreitzman, A Y Coxon, K F Szaz, Glycogen storage: illusions of easy weight loss, excessive weight regain, and distortions in estimates of body composition. The American Journal of Clinical Nutrition, Volume 56, Issue 1, July 1992, Pages 292S\u2013293S<\/p>\n\n\n\n<p>(13) Guyton, Arthur C. (1976). Textbook of Medical Physiology (5th ed.). Philadelphia: W.B. Saunders. pp. 284, 424. ISBN 0-7216-4393-0.<\/p>\n\n\n\n<p>(14) N Mazurak, A Gunther, FS Grau, ER Muth, M Pustovoyt, SC Bischoff, S Zipfel and P Enck, Effects of a 48-h fast on heart rate variability and cortisol levels in healthy female subjects, European Journal of Clinical Nutrition (2013) 67, 401\u2013406<\/p>\n\n\n\n<p>(15) Bartosz Malinowski, Klaudia Zalewska, Anna W\u0119sierska, Maya M. Soko\u0142owska, Maciej Socha, Grzegorz Liczner, Katarzyna Pawlak-Osi\u0144ska, and Micha Wici\u0144ski, Intermittent Fasting in Cardiovascular Disorders\u2014An Overview, Nutrients. 2019 Mar; 11(3): 673.<\/p>\n\n\n\n<p>(16) Dylan A Lowe, Nancy Wu, Linnea Rohdin-Bibby, A Holliston Moore, Nisa Kelly, Yong En Liu, Errol Philip, Eric Vittinghoff, Steven B Heymsfield, Jeffrey E Olgin, John A Shepherd, Ethan J Weiss, Effects of Time-Restricted Eating on Weight Loss and Other Metabolic Parameters in Women and Men With Overweight and Obesity: The TREAT Randomized Clinical Trial, JAMA Intern Med. 2020 Nov 1;180(11):1491-1499.<\/p>\n\n\n\n<p>(17) Flipping the Metabolic Switch: Understanding and Applying Health Benefits of Fasting, Stephen D. Anton, Keelin Moehl, William T. Donahoo, Krisztina Marosi, Stephanie Lee, Arch G. Mainous, III, Christiaan Leeuwenburgh, and Mark P. Mattson. Obesity (Silver Spring). 2018 Feb; 26(2): 254\u2013268.<\/p>\n\n\n\n<p>(18) Nina Brandt, Thomas P. Gunnarsson, Jens Bangsbo, and Henriette Pilegaard, Exercise and exercise training\u2010induced increase in autophagy markers in human skeletal muscle. Physiol Rep. 2018 Apr; 6(7): e13651<\/p>\n\n\n\n<p>(19) Das, J. K.; Lassi, Z. S.; Hoodbhoy, Z.; Salam, R. A. Nutrition for the Next Generation: Older Children and Adolescents. Ann. Nutr. Metab. 2018, 72(3), 56\u201364.<\/p>\n\n\n\n<p>(20) E Pollitt, N L Lewis, C Garza, R J Shulman, Fasting and cognitive function, J Psychiatr Res. 1982-1983;17(2):169-74. doi: 10.1016\/0022-3956(82)90018-8.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159eru\u0161ovan\u00fd p\u016fst&nbsp;a jeho p\u016fvod.&nbsp;P\u016fst&nbsp;je jednou z nejstar\u0161\u00edch zn\u00e1m\u00fdch metod l\u00e9\u010dby nemoc\u00ed. Historici zjistili, \u017ee ho poprv\u00e9 zm\u00ednil \u0159eck\u00e9 l\u00e9ka\u0159&nbsp;Hippocrates v 5. stolet\u00ed p\u0159ed na\u0161\u00edm letopo\u010dtem&nbsp;(Hippokrates je \u010dasto pova\u017eov\u00e1n za otce modern\u00ed medic\u00edny), doporu\u010doval vynech\u00e1v\u00e1n\u00ed j\u00eddla a pit\u00ed p\u0159i ur\u010dit\u00e9 l\u00e9\u010db\u011b nemoc\u00ed.&nbsp; Od t\u00e9 doby o n\u00ed mluvila cel\u00e1 \u0159ada zn\u00e1m\u00fdch historick\u00fdch postav od Plat\u00f3na po&nbsp;Paracelsa&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":129923,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[2621],"tags":[],"coauthors":[],"class_list":["post-219684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vyziva"],"taxonomy_info":{"category":[{"value":2621,"label":"V\u00fd\u017eiva"}]},"featured_image_src_large":["https:\/\/eu.intelligentlabs.org\/wp-content\/uploads\/2021\/04\/the-ultimate-intermittent-fasting-guide-is-intermittent-fasting-a-weight-loss-diet-01.jpg",848,565,false],"author_info":{"display_name":"David Pashley","author_link":"https:\/\/eu.intelligentlabs.org\/cs-cz\/author\/david\/"},"comment_info":0,"category_info":[{"term_id":2621,"name":"V\u00fd\u017eiva","slug":"vyziva","term_group":0,"term_taxonomy_id":2621,"taxonomy":"category","description":"","parent":0,"count":61,"filter":"raw","cat_ID":2621,"category_count":61,"category_description":"","cat_name":"V\u00fd\u017eiva","category_nicename":"vyziva","category_parent":0}],"tag_info":false,"wpml":{"language":"cs-cz","is_original":false,"original_post_id":129879,"translations":{"bg-bg":{"id":225701,"language":"bg-bg","is_original":false},"cs-cz":{"id":219684,"language":"cs-cz","is_original":false},"da-dk":{"id":222393,"language":"da-dk","is_original":false},"de-at":{"id":169919,"language":"de-at","is_original":false},"de-de":{"id":71433,"language":"de-de","is_original":false},"el-cy":{"id":229444,"language":"el-cy","is_original":false},"el-gr":{"id":228378,"language":"el-gr","is_original":false},"en-gb":{"id":129879,"language":"en-gb","is_original":true},"en-ie":{"id":164633,"language":"en-ie","is_original":false},"en-mt":{"id":165747,"language":"en-mt","is_original":false},"es-es":{"id":79292,"language":"es-es","is_original":false},"et-ee":{"id":230241,"language":"et-ee","is_original":false},"fi-fi":{"id":238624,"language":"fi-fi","is_original":false},"fr-fr":{"id":71411,"language":"fr-fr","is_original":false},"hu-hu":{"id":225038,"language":"hu-hu","is_original":false},"it-it":{"id":71819,"language":"it-it","is_original":false},"lt-lt":{"id":234213,"language":"lt-lt","is_original":false},"lv-lv":{"id":230583,"language":"lv-lv","is_original":false},"nl-be":{"id":217794,"language":"nl-be","is_original":false},"nl-nl":{"id":177835,"language":"nl-nl","is_original":false},"pl-pl":{"id":191069,"language":"pl-pl","is_original":false},"pt-pt":{"id":168517,"language":"pt-pt","is_original":false},"ro-ro":{"id":237545,"language":"ro-ro","is_original":false},"sk-sk":{"id":238165,"language":"sk-sk","is_original":false},"sl-si":{"id":238971,"language":"sl-si","is_original":false},"sv-se":{"id":223158,"language":"sv-se","is_original":false}}},"_links":{"self":[{"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/posts\/219684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/comments?post=219684"}],"version-history":[{"count":1,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/posts\/219684\/revisions"}],"predecessor-version":[{"id":251934,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/posts\/219684\/revisions\/251934"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/media\/129923"}],"wp:attachment":[{"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/media?parent=219684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/categories?post=219684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/tags?post=219684"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/eu.intelligentlabs.org\/cs-cz\/wp-json\/wp\/v2\/coauthors?post=219684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}