[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.qtg.cz\/jak-slunce-zpusobuje-rakovinu-kuze\/#Article","mainEntityOfPage":"https:\/\/www.qtg.cz\/jak-slunce-zpusobuje-rakovinu-kuze\/","headline":"Jak Slunce zp\u016fsobuje rakovinu k\u016f\u017ee","name":"Jak Slunce zp\u016fsobuje rakovinu k\u016f\u017ee","description":"Je pon\u011bkud ironick\u00e9, \u017ee Slunce je z\u00e1rove\u0148 na\u0161\u00edm p\u0159\u00edtelem i nep\u0159\u00edtelem. Bez n\u011bj by neexistoval \u017eivot, alespo\u0148 tedy ne v\u00a0podob\u011b jak ho zn\u00e1me. Av\u0161ak nelze pop\u0159\u00edt, \u017ee n\u00e1m z\u00e1rove\u0148 p\u016fsob\u00ed mnoho probl\u00e9m\u016f. A jedn\u00edm z\u00a0t\u011bch zdaleka nejz\u00e1va\u017en\u011bj\u0161\u00edch je rakovina k\u016f\u017ee. \u00a0 Ta je velmi \u010dasto d\u016fsledkem dlouhodob\u00e9ho vystavov\u00e1n\u00ed ostr\u00fdm slune\u010dn\u00edm paprsk\u016fm, zvl\u00e1\u0161t\u011b pak v\u00a0l\u00e9t\u011b za […]","datePublished":"2022-12-23","dateModified":"2023-08-23","author":{"@type":"Person","@id":"https:\/\/www.qtg.cz\/author\/#Person","name":"","url":"https:\/\/www.qtg.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/f677d652d46d6437b40497bee38030612d53a3103b24904f519be33cae485306?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f677d652d46d6437b40497bee38030612d53a3103b24904f519be33cae485306?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"qtg.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.qtg.cz\/wp-content\/uploads\/opaleni1.jpg","url":"https:\/\/www.qtg.cz\/wp-content\/uploads\/opaleni1.jpg","height":0,"width":0},"url":"https:\/\/www.qtg.cz\/jak-slunce-zpusobuje-rakovinu-kuze\/","about":["V\u011bda"],"wordCount":438,"articleBody":"Je pon\u011bkud ironick\u00e9, \u017ee Slunce je z\u00e1rove\u0148 na\u0161\u00edm p\u0159\u00edtelem i nep\u0159\u00edtelem. Bez n\u011bj by neexistoval \u017eivot, alespo\u0148 tedy ne v\u00a0podob\u011b jak ho zn\u00e1me. Av\u0161ak nelze pop\u0159\u00edt, \u017ee n\u00e1m z\u00e1rove\u0148 p\u016fsob\u00ed mnoho probl\u00e9m\u016f. A jedn\u00edm z\u00a0t\u011bch zdaleka nejz\u00e1va\u017en\u011bj\u0161\u00edch je rakovina k\u016f\u017ee.\u00a0Ta je velmi \u010dasto d\u016fsledkem dlouhodob\u00e9ho vystavov\u00e1n\u00ed ostr\u00fdm slune\u010dn\u00edm paprsk\u016fm, zvl\u00e1\u0161t\u011b pak v\u00a0l\u00e9t\u011b za vysok\u00fdch teplot \u010di ve velk\u00fdch nadmo\u0159sk\u00fdch v\u00fd\u0161k\u00e1ch. Pro mnoho lid\u00ed je v\u0161ak z\u00e1hadou, jak vlastn\u011b tato rakovina vznik\u00e1 a jak ji v\u016fbec Slunce zp\u016fsobuje.\u00a0\u00a0Tady je pot\u0159eba si uv\u011bdomit, co vlastn\u011b hv\u011bzdy jsou. Nejsou toti\u017e nic jin\u00e9ho, ne\u017e ob\u0159\u00ed jadern\u00fd reaktor, ve kter\u00e9m prob\u00edh\u00e1 p\u0159em\u011bna vod\u00edku na helium. D\u016fsledkem t\u00e9to p\u0159em\u011bny je sv\u011bteln\u00e9, tepeln\u00e9 i radia\u010dn\u00ed z\u00e1\u0159en\u00ed, kter\u00e9 pak dopad\u00e1 mimo jin\u00e9 i na Zemi.\u00a0Samoz\u0159ejm\u011b se sv\u011btlem a teplem nem\u00e1 v\u011bt\u0161ina z\u00a0n\u00e1s p\u0159\u00edli\u0161 probl\u00e9m. Je to v\u0161ak ta jadern\u00e1 \u010d\u00e1st, zde ve form\u011b ultrafialov\u00e9ho z\u00e1\u0159en\u00ed, kter\u00e1 n\u00e1m \u0161kod\u00ed. To toti\u017e pronik\u00e1 do bun\u011bk, kde m\u016f\u017ee m\u011bnit jejich strukturu. Jist\u011b, vznik\u00e1 p\u0159itom i vitamin D jako vedlej\u0161\u00ed produkt, ov\u0161em z\u00e1rove\u0148 je zde riziko vzniku rakovinn\u00e9ho bujen\u00ed.\u00a0\u00a0Samoz\u0159ejm\u011b se m\u016f\u017eeme pt\u00e1t, jak si s\u00a0t\u00edm poradili na\u0161i p\u0159edkov\u00e9, kdy\u017e ti o radiaci nic nev\u011bd\u011bli. Pro\u010d jsme je\u0161t\u011b nevym\u0159eli na rakovinu k\u016f\u017ee? D\u016fvodem je, \u017ee n\u00e1s na\u0161e evoluce na n\u011bco takov\u00e9ho adaptovala, a to konkr\u00e9tn\u011b tvorbou melaninu. Pr\u00e1v\u011b ten pom\u00e1h\u00e1 blokovat p\u0159\u00edstup UV z\u00e1\u0159en\u00ed do poko\u017eky. Jist\u011b, blokuje t\u00edm i tvorbu vitaminu D, ale tak\u00e9 n\u00e1s chr\u00e1n\u00ed p\u0159ed rakovinou.\u00a0To je tak\u00e9 d\u016fvod, pro\u010d se na\u0161e k\u016f\u017ee stala b\u011blej\u0161\u00ed, kdy\u017e jsme se dostali v\u00edce na sever. Zde nen\u00ed Slunce tak intenzivn\u00ed, a tak nen\u00ed nutn\u00e1 tak velk\u00e1 ochrana. Z\u00e1rove\u0148 z\u00a0n\u011bj pot\u0159ebujeme z\u00edskat v\u00edce vitaminu D, co\u017e znamen\u00e1 m\u00e9n\u011b melaninu.\u00a0Av\u0161ak s\u00a0t\u00edm, jak dnes lid\u00e9 cestuj\u00ed po cel\u00e9m sv\u011bt\u011b, a to \u010dasto do tropick\u00fdch krajin, se tento p\u016fvodn\u00ed \u0159\u00e1d ru\u0161\u00ed. Nen\u00ed tak divu, \u017ee po\u010det lid\u00ed s\u00a0rakovinou k\u016f\u017ee nar\u016fst\u00e1.\u00a0 Pokud tedy jedete do trop\u016f, opalovac\u00ed kr\u00e9m je nutnost\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        3.5\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak Slunce zp\u016fsobuje rakovinu k\u016f\u017ee","item":"https:\/\/www.qtg.cz\/jak-slunce-zpusobuje-rakovinu-kuze\/#breadcrumbitem"}]}]