rozhlas Plus. <\/p>\n\n\n\n
Dlouhodob\u011b zkoum\u00e1 biologick\u00e9 rytmy a jejich v\u00fdznam pro zdrav\u00ed \u010dlov\u011bka. T\u00e9ma v\u00fdzkumu z\u00e1rove\u0148 popularizuje. Te\u010f se stala v\u011bdkyn\u011b Alena Sumov\u00e1 z Fyziologick\u00e9ho \u00fastavu laure\u00e1tkou cen Akademie v\u011bd. Dobr\u00fd den. Pan\u00ed profesorko. Tak nejd\u0159\u00edv bych v\u00e1m cht\u011bl pogratulovat, v\u0161echno nejlep\u0161\u00ed. No, a zeptal bych se na ten v\u00e1\u0161 v\u00fdzkum, vy se v\u011bnujete v\u00fdzkumu cirkadi\u00e1ln\u00edho rytmu. Co to p\u0159esn\u011b je a pro\u010d je pro na\u0161e t\u011blo z\u00e1sadn\u00ed? <\/p>\n\n\n\n
mluv\u010d\u00ed 7,<\/strong> Tak to slovo cirkadi\u00e1ln\u00ed znamen\u00e1 p\u0159ibli\u017en\u011b denn\u00ed a znamen\u00e1 to, \u017ee zkoum\u00e1me zm\u011bny, kter\u00e9 se m\u011bn\u00ed p\u0159ibli\u017en\u011b za jeden den a \u0159\u00edk\u00e1me jim tedy cirkadi\u00e1ln\u00ed rytmus a tady tyto rytmy jsou v\u00fdsledkem naprosto z\u00e1kladn\u00edho mechanismu, kter\u00fd se vyvinul u \u017eiv\u00fdch organism\u016f b\u011bhem evoluce jako adaptace na to, \u017ee \u017eivot se vyv\u00edjel v podm\u00ednk\u00e1ch st\u0159\u00edd\u00e1n\u00ed dne a noci. \u010cili my ty cirkadi\u00e1nn\u00ed rytmy m\u00e1me v sob\u011b, maj\u00ed je t\u00e9m\u011b\u0159 v\u0161echny \u017eiv\u00e9 organismy a jejich hlavn\u00ed \u00faloha. To, pro\u010d se v evoluci zachovali a pro\u010d n\u00e1m slou\u017e\u00ed, je, \u017ee reguluj\u00ed procesy v na\u0161em t\u011ble tak, aby se p\u0159izp\u016fsobili pr\u00e1v\u011b t\u011bm zm\u011bn\u00e1m b\u011bhem dne a noci. A nejenom ty procesy p\u0159izp\u016fsobuj\u00ed, ale t\u00edm, \u017ee jsou ty rytmy \u0159\u00edzeny vnit\u0159n\u00edm mechanismem, vnit\u0159n\u00edmi hodinami, tak jsou vlastn\u011b schopny ty zm\u011bny p\u0159edv\u00eddat a p\u0159ipravovat v na\u0161em t\u011ble procesy na tyto zm\u011bny, a to ji\u017e v jejich o\u010dek\u00e1v\u00e1n\u00ed, a to je velice v\u00fdhodn\u00e9. My si to m\u016f\u017eeme nap\u0159\u00edklad p\u0159edstavit tak, \u017ee dv\u011b situace, jedna je, \u017ee se probud\u00edme odpo\u010dat\u00ed po dostate\u010dn\u011b dlouh\u00e9 noci a kvalitn\u00edm sp\u00e1nku a ta druh\u00e1 situace, kdy\u017e n\u00e1s n\u011bkdo n\u00e1hle probud\u00ed uprost\u0159ed noci, tak v tom prvn\u00edm p\u0159\u00edpad\u011b ty hodiny n\u00e1s na to p\u0159ipravili a my m\u016f\u017eeme okam\u017eit\u011b fungovat.Zat\u00edmco v tom druh\u00e9m p\u0159\u00edpad\u011b to probuzen\u00ed je vlastn\u011b v dob\u011b, kdy to v tom na\u0161em t\u011ble ty hodiny zajistil jak\u00fdsi no\u010dn\u00ed re\u017eim a pak n\u00e1m to trv\u00e1 dlouho, ne\u017e se zase probereme a jsme schopni\u00ed fungovat. <\/p>\n\n\n\n mluv\u010d\u00ed 3,<\/strong> Tak\u017ee se zastav\u00ed ty hodiny a pak se zase rozb\u011bhnou. Trv\u00e1 to d\u00e9le. Ale jak\u00e9 to m\u00e1 dopady? Jak se konkr\u00e9tn\u011b m\u016f\u017ee naru\u0161en\u00ed biorytmu podepsat na na\u0161em zdrav\u00ed.<\/p>\n\n\n\n mluv\u010d\u00ed 7,<\/strong> Tak to se m\u016f\u017ee podepsat, zvl\u00e1\u0161\u0165, pokud doch\u00e1z\u00ed k tomu dlouhodob\u011bj\u0161\u00edmu naru\u0161ov\u00e1n\u00ed v souladu mezi t\u011bmi, b\u011bhem t\u011bch na\u0161ich hodin a t\u00edm denn\u00edm nebo slune\u010dn\u00edm cyklem, a to se m\u016f\u017ee u \u010dlov\u011bka st\u00e1t pom\u011brn\u011b snadno. Pr\u00e1v\u011b pokud \u017eijeme dnes t\u00edm takzvan\u011b modern\u00edm zp\u016fsobem \u017eivota, kdy m\u00e1me nap\u0159\u00edklad n\u011bjak posunut\u00fd soci\u00e1ln\u00ed \u010d\u00e1st nebo nepravideln\u00fd denn\u00ed re\u017eim, kdy ponocujeme dlouho do noci a asi nejv\u011bt\u0161\u00ed probl\u00e9m je tehdy, kdy\u017e pracujeme ve sm\u011bnn\u00e9m provozu, kde se zvl\u00e1\u0161t\u011b \u010dasto st\u0159\u00eddaj\u00ed denn\u00ed a no\u010dn\u00ed sm\u011bny, to jsou v\u0161echno faktory, kter\u00e9 n\u00e1m vlastn\u011b naru\u0161uj\u00ed chod t\u011bch hodin, oni jim vlastn\u011b d\u00e1vaj\u00ed matouc\u00ed sign\u00e1l, oni pak nem\u016f\u017eou plnit tu funkci a my dneska v\u00edme, \u017ee pokud se tohleto d\u011bje v dlouhodob\u00e9m hledisku, tak to potom m\u00e1 opravdu komplexn\u00ed dopad na zdrav\u00ed. o tom, co v\u00edme, ur\u010dit\u011b je, \u017ee to negativn\u011b ovliv\u0148uje metabolismus, \u010dili lid\u00e9, kte\u0159\u00ed takto maj\u00ed naru\u0161en\u00e9 biorytmy, tak velmi \u010dasto trp\u00ed obezitou, maj\u00ed v\u011bt\u0161\u00ed pravd\u011bpodobnost vzniku diabetu druh\u00e9ho typu kardiovaskul\u00e1rn\u00edch chorob, pochopiteln\u011b poruchy sp\u00e1nku, to je jist\u00e9, ale, a n\u00e1lady taky, ale m\u016f\u017eou to a\u017e v dlouhodob\u00e9m hledisku v\u00e9st t\u0159eba k predispozici, k n\u011bjak\u00fdm neurodegenerativn\u00edm chorob\u00e1m a tak, \u010dili je to skute\u010dn\u011b velmi komplexn\u00ed z\u00e1sah do cel\u00e9ho fungov\u00e1n\u00ed t\u011bla.<\/p>\n\n\n\n mluv\u010d\u00ed 3,<\/strong> Tak my tady m\u00e1me celkem st\u0159\u00eddav\u00e9 slu\u017eby v r\u00e1diu tak\u00e9 a u\u017e jsme si tak\u00e9 s kolegy \u0159\u00edkali, \u017ee kv\u016fli tomu tloustneme, tak to u\u017e m\u00e1me trochu i od v\u00e1s v\u011bdecky potvrzen\u00e9, ale jeden z va\u0161ich nejnov\u011bj\u0161\u00edch v\u00fdzkum\u016f prok\u00e1zal, \u017ee biologick\u00e9 hodiny jsou \u0159\u00edzeny nejenom sv\u011btlem, ale i p\u0159\u00edjmem potravy, to znamen\u00e1, \u017ee to, co j\u00edme nebo kdy j\u00edme, tak to ovliv\u0148uje na\u0161e zdrav\u00ed a ty rytmy. <\/p>\n\n\n\n mluv\u010d\u00ed 7,<\/strong> Ano, zcela ur\u010dit\u011b. Doba, kdy j\u00edme, je jednozna\u010dn\u011b velice d\u016fle\u017eit\u00fd faktor, kter\u00fd pom\u00e1h\u00e1 ve skute\u010dnosti udr\u017eovat hodiny v na\u0161em t\u011ble spr\u00e1vn\u011b se\u0159\u00edzen\u00e9 a t\u00edm m\u00e1 velk\u00fd vliv na na\u0161e zdrav\u00ed, my dneska v\u00edme, \u017ee t\u011bch hodin v t\u011ble m\u00e1me hodn\u011b v r\u016fzn\u00fdch tk\u00e1n\u00edch a org\u00e1nech. A u\u017e d\u0159\u00edve se v\u011bd\u011blo, \u017ee t\u00edm p\u0159\u00edjmem potravy lze docela efektivn\u011b se\u0159izovat hodiny, t\u0159eba v j\u00e1trech, ve st\u0159ev\u011b, ve slinivce, \u010dili v t\u011bch org\u00e1nech, co souvis\u00ed s metabolismem. No, a v na\u0161\u00ed ned\u00e1vn\u00e9 studii jsme pr\u00e1v\u011b odhalili, jak se tato informace o t\u00e9 dob\u011b p\u0159\u00edjmu potravy dost\u00e1v\u00e1 a\u017e k hodin\u00e1m v mozku. Zjistili jsme, \u017ee jsou za to zodpov\u011bdn\u00e9 bu\u0148ky v takov\u00e9 speci\u00e1ln\u00ed struktu\u0159e, kterou m\u00e1me v mozkov\u00e9 komo\u0159e, v mozkov\u00fdch komor\u00e1ch A ona m\u00e1 \u0159adu funkc\u00ed a jedna takov\u00e1 hlavn\u00ed a nejzn\u00e1m\u011bj\u0161\u00ed funkce, \u017ee tvo\u0159\u00ed mozkom\u00ed\u0161n\u00ed mok, ale ona krom\u011b toho tvo\u0159\u00ed je\u0161t\u011b n\u011bjak\u00e9 d\u016fle\u017eit\u00e9 aktivn\u00ed l\u00e1tky pro mozek a vlastn\u011b signalizuje tomu mozku r\u016fzn\u00e9 informace. <\/p>\n\n\n\n mluv\u010d\u00ed 3,<\/strong> D\u011bkuji, d\u011bkuji v\u00e1m moc, ano, jenom velmi stru\u010dn\u011b. Pros\u00edm.<\/p>\n\n\n\n mluv\u010d\u00ed 7,<\/strong> Ano, my jsme zjistili, \u017ee tady tato struktura m\u00e1 tedy hodiny a ty jsou velmi citliv\u00e9 na p\u0159\u00edjem potravy, tak\u017ee lze je vlastn\u011b d\u00edky tomu tu informaci p\u0159ed\u00e1vat cel\u00e9mu mozku.<\/p>\n\n\n\n mluv\u010d\u00ed 3,<\/strong> Tolik vedouc\u00ed odd\u011blen\u00ed biologick\u00fdch rytm\u016f Fyziologick\u00e9ho \u00fastavu Akademie v\u011bd Alena Sumov\u00e1. Mockr\u00e1t d\u011bkuji, na sly\u0161enou. <\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" rozhlas Plus. Dlouhodob\u011b zkoum\u00e1 biologick\u00e9 rytmy a jejich v\u00fdznam pro zdrav\u00ed \u010dlov\u011bka. T\u00e9ma v\u00fdzkumu z\u00e1rove\u0148 popularizuje. Te\u010f se stala v\u011bdkyn\u011b Alena Sumov\u00e1 z Fyziologick\u00e9ho \u00fastavu […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":18738,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-62473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zpravy"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/62473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=62473"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/62473\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/media\/18738"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=62473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=62473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=62473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}