{"id":105588,"date":"2026-04-30T05:23:46","date_gmt":"2026-04-30T03:23:46","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=105588"},"modified":"2026-04-30T05:23:46","modified_gmt":"2026-04-30T03:23:46","slug":"chlad-zabiji-az-20krat-vice-lidi-nez-horko","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/04\/30\/chlad-zabiji-az-20krat-vice-lidi-nez-horko\/","title":{"rendered":"Chlad zab\u00edj\u00ed a\u017e 20kr\u00e1t v\u00edce lid\u00ed ne\u017e horko"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span dir=\"auto\">Tolik k t\u00e9 vln\u011b veder! Gigantick\u00e1 nov\u00e1 anal\u00fdza dat dokazuje, co nezapad\u00e1 do konceptu klimatick\u00fdch fanatik\u016f: Nejv\u011bt\u0161\u00ed nebezpe\u010d\u00ed pro na\u0161e \u017eivoty nep\u0159edstavuj\u00ed tepl\u00e1 l\u00e9ta, ale chladn\u00e1 obdob\u00ed.<\/span><\/strong><\/p>\n<p><span dir=\"auto\">Pokud by klimati\u010dt\u00ed alarmist\u00e9 dos\u00e1hli sv\u00e9ho, vy\u0161\u0161\u00ed teploty v m\u00edrn\u00fdch zem\u011bpisn\u00fdch \u0161\u00ed\u0159k\u00e1ch by zp\u016fsobily spou\u0161\u0165 lidem, kte\u0159\u00ed tam \u017eij\u00ed. Ka\u017ed\u00e9 l\u00e9to se v televizi a politiky \u0161\u00ed\u0159\u00ed stejn\u00e1 hysterie: varov\u00e1n\u00ed p\u0159ed horkem, klimatick\u00e1 panika, po\u017eadavky na nov\u00e9 z\u00e1kazy a pl\u00e1ny na ochranu p\u0159ed horkem. Nov\u00e1, komplexn\u00ed megastudie s n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S266666772600108X?via%3Dihub\"><span dir=\"auto\">\u00damrtnost na kardiovaskul\u00e1rn\u00ed onemocn\u011bn\u00ed zp\u016fsoben\u00e1 m\u011bs\u00ed\u010dn\u00edmi neoptim\u00e1ln\u00edmi teplotami ve Spojen\u00fdch st\u00e1tech: anal\u00fdza na \u00farovni kraj\u016f<\/span><\/a><span dir=\"auto\"> \u201c, kter\u00e1 byla ned\u00e1vno prezentov\u00e1na na v\u00fdro\u010dn\u00ed konferenci Americk\u00e9 kardiologick\u00e9 akademie v New Orleans (ACC.26), v\u0161ak tento narativ bo\u0159\u00ed.<\/span><\/p>\n<p><span dir=\"auto\">Drsn\u00e1 \u010d\u00edsla z USA \u0161okuj\u00ed v\u011b\u0159\u00edc\u00ed v teorii o politick\u00e9m klimatu. V\u00fdzkumn\u00edci analyzovali data z 819 lokalit, kter\u00e9 pokr\u00fdvaj\u00ed 80 procent populace USA, a to za obdob\u00ed dvou desetilet\u00ed. Zjistili, \u017ee chladn\u00e9 po\u010das\u00ed je zodpov\u011bdn\u00e9 za ohromuj\u00edc\u00edch 40 000 dal\u0161\u00edch \u00famrt\u00ed souvisej\u00edc\u00edch se srdcem, zat\u00edmco horko je zodpov\u011bdn\u00e9 pouze za asi 2 000 takov\u00fdch p\u0159\u00edpad\u016f. To znamen\u00e1, \u017ee chladn\u00e9 po\u010das\u00ed je 20kr\u00e1t smrteln\u011bj\u0161\u00ed ne\u017e horko. Zat\u00edmco vlna veder obvykle trv\u00e1 jen n\u011bkolik dn\u00ed a m\u00e9dia ji pak vyu\u017e\u00edvaj\u00ed cel\u00e9 t\u00fddny, takzvan\u00e1 \u201em\u00edrn\u00e1 zima\u201c se \u010dasto t\u00e1hne m\u011bs\u00edce \u2013 a p\u0159itom pomalu ni\u010d\u00ed na\u0161e t\u011blo. Podle l\u00e9ka\u0159sk\u00fdch odborn\u00edk\u016f je absolutn\u011b komfortn\u00ed a bezpe\u010dn\u00e1 teplota pro na\u0161e srdce kolem 23 stup\u0148\u016f Celsia (73 stup\u0148\u016f Fahrenheita). Pokud teplom\u011br klesne pod tuto hodnotu, riziko \u00famrt\u00ed prudce stoup\u00e1.<\/span><\/p>\n<p><span dir=\"auto\">Vysv\u011btlen\u00ed nab\u00edzen\u00e9 l\u00e9ka\u0159sk\u00fdmi odborn\u00edky (v\u010detn\u011b t\u011bch z renomovan\u00e9 l\u00e9ka\u0159sk\u00e9 fakulty Icahn School of Medicine na Mount Sinai v New Yorku) je logick\u00e9 a l\u00e9ka\u0159sky podlo\u017een\u00e9: chladn\u00e9 po\u010das\u00ed zp\u016fsobuje stahov\u00e1n\u00ed c\u00e9v (vazokonstrikci) a podporuje z\u00e1n\u011bty v t\u011ble. To m\u016f\u017ee v\u00e9st k infarkt\u016fm, mrtvic\u00edm a srde\u010dn\u00edm onemocn\u011bn\u00edm. Star\u0161\u00ed lid\u00e9 a pacienti s vysok\u00fdm krevn\u00edm tlakem, cukrovkou nebo onemocn\u011bn\u00edm ledvin jsou v chladu obzvl\u00e1\u0161t\u011b ohro\u017eeni. \u201eObvykle se zam\u011b\u0159ujeme na \u00fa\u010dinky klimatick\u00fdch zm\u011bn souvisej\u00edc\u00ed s teplem, ale klima zahrnuje i extr\u00e9mn\u00ed chlad,\u201c\u00a0<\/span><a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/03\/260325005910.htm\"><span dir=\"auto\">vysv\u011btluje<\/span><\/a><span dir=\"auto\"> hlavn\u00ed autor studie, Dr. Pedro Rafael Vieira De Oliveira Salerno.<\/span><\/p>\n<p><span dir=\"auto\">Podobn\u00e9 \u00fadaje jsou k dispozici tak\u00e9 d\u00edky studi\u00edm proveden\u00fdm po cel\u00e9m sv\u011bt\u011b v r\u016fzn\u00fdch zem\u00edch. Gigantick\u00e1 studie publikovan\u00e1 v renomovan\u00e9m l\u00e9ka\u0159sk\u00e9m \u010dasopise The Lancet mezin\u00e1rodn\u00edm v\u00fdzkumn\u00fdm t\u00fdmem veden\u00fdm Dr. Antoniem Gasparrinim (n\u00e1zev: \u201e\u00a0<\/span><a href=\"https:\/\/www.thelancet.com\/journals\/lancet\/article\/PIIS0140-6736(14)62114-0\/fulltext\"><span dir=\"auto\">Riziko \u00famrt\u00ed v d\u016fsledku vysok\u00e9 a n\u00edzk\u00e9 okoln\u00ed teploty: observa\u010dn\u00ed studie v n\u011bkolika zem\u00edch<\/span><\/a><span dir=\"auto\">\u00a0\u201c) zkoumala p\u0159es 74 milion\u016f \u00famrt\u00ed ve 13 zem\u00edch.<\/span><\/p>\n<p><strong><span dir=\"auto\">Celosv\u011btov\u011b je ro\u010dn\u011b p\u0159ibli\u017en\u011b 5 milion\u016f \u00famrt\u00ed p\u0159i\u010d\u00edt\u00e1no \u201esubooptim\u00e1ln\u00edm\u201c teplot\u00e1m. Z nich je v\u00edce ne\u017e 4,5 milionu zp\u016fsobeno chladn\u00fdm po\u010das\u00edm. Pro srovn\u00e1n\u00ed, horko p\u0159edstavuje pouze zlomek (0,42 procenta) v\u0161ech \u00famrt\u00ed na cel\u00e9m sv\u011bt\u011b, zat\u00edmco chladn\u00e9 po\u010das\u00ed je zodpov\u011bdn\u00e9 za cel\u00fdch 7,29 procenta.<\/span><\/strong><span dir=\"auto\">\u00a0\u0160v\u00e9dsk\u00e1 studie (\u201e\u00a0<\/span><a href=\"https:\/\/www.jacc.org\/doi\/10.1016\/j.jacc.2024.07.006\"><span dir=\"auto\">Kr\u00e1tkodob\u00e9 \u00fa\u010dinky ni\u017e\u0161\u00ed teploty vzduchu a chladn\u00fdch obdob\u00ed na hospitalizace v d\u016fsledku infarktu myokardu ve \u0160v\u00e9dsku<\/span><\/a><span dir=\"auto\"> \u201c, publikovan\u00e1 v renomovan\u00e9m \u010dasopise JACC) se 120 000 p\u0159\u00edpady nav\u00edc ukazuje, \u017ee riziko infarktu \u010dasto prudce stoup\u00e1 a\u017e 2 a\u017e 6 dn\u00ed po prudk\u00e9m n\u00e1valu chladu. Paradoxem je, \u017ee nejv\u00edce ob\u011bt\u00ed si nevy\u017e\u00e1daj\u00ed extr\u00e9mn\u00ed chladn\u00e1 obdob\u00ed, ale sp\u00ed\u0161e b\u011b\u017en\u00e9, m\u00edrn\u011b chladn\u00e9 dny, kter\u00e9 trvale zat\u011b\u017euj\u00ed lidsk\u00fd ob\u011bhov\u00fd syst\u00e9m.<\/span><\/p>\n<p><span dir=\"auto\">To tak\u00e9 znamen\u00e1, \u017ee i kdyby pr\u016fm\u011brn\u00e9 glob\u00e1ln\u00ed teploty v nadch\u00e1zej\u00edc\u00edch desetilet\u00edch vzrostly (obvykle k tomu doch\u00e1z\u00ed v\u00edce v m\u00edrn\u00fdch zem\u011bpisn\u00fdch \u0161\u00ed\u0159k\u00e1ch ne\u017e v tropech), dopady na zdrav\u00ed by byly v pr\u016fm\u011bru sp\u00ed\u0161e pozitivn\u00ed. Po\u010det \u00famrt\u00ed v d\u016fsledku chladu by se sn\u00ed\u017eil prud\u010deji ne\u017e po\u010det \u00famrt\u00ed souvisej\u00edc\u00edch s horkem. Vzhledem k tomu, \u017ee v chladn\u011bj\u0161\u00edch m\u00edrn\u00fdch p\u00e1smech a teplej\u0161\u00edch subtropick\u00fdch\/tropick\u00fdch p\u00e1smech sv\u011bta \u017eije zhruba stejn\u00fd po\u010det lid\u00ed, lze p\u0159edpokl\u00e1dat, \u017ee po\u010det \u00famrt\u00ed souvisej\u00edc\u00edch s teplotou klesne.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tolik k t\u00e9 vln\u011b veder! Gigantick\u00e1 nov\u00e1 anal\u00fdza dat dokazuje, co nezapad\u00e1 do konceptu klimatick\u00fdch&#8230;<\/p>\n","protected":false},"author":2,"featured_media":105589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[7463,873,1101],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/105588"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=105588"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/105588\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/105589"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=105588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=105588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=105588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}