{"id":19921,"date":"2015-02-16T06:28:13","date_gmt":"2015-02-16T05:28:13","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=19921"},"modified":"2015-02-16T06:28:13","modified_gmt":"2015-02-16T05:28:13","slug":"kosmeticke-substance-vedou-k-predcasne-menopauze","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=19921","title":{"rendered":"Kosmetick\u00e9 substance vedou k p\u0159ed\u010dasn\u00e9 menopauze"},"content":{"rendered":"<p><strong>Alarmuj\u00edc\u00ed v\u00fdsledky p\u0159inesla studie, kterou provedla Washingtonova univerzita v Saint Louis na vzorku 31.500 \u017een. L\u00e1tky pou\u017e\u00edvan\u00e9 v make-upu, ale tak\u00e9 v \u010dist\u00edc\u00edch prost\u0159edc\u00edch a v m\u00fddlech mohou p\u0159ibl\u00ed\u017eit menopauzu a\u017e o \u010dty\u0159i roky. P\u00ed\u0161e o tom italsk\u00fd den\u00edk La Repubblica.<\/strong><!--more--><\/p>\n<p>    T\u00f3novac\u00ed kr\u00e9m, trochu r\u016f\u017ee, trochu pudru. P\u00e1r kapek parf\u00e9mu a n\u011bco laku, aby vlasy dr\u017eely. Tato na prvn\u00ed pohled nevinn\u00e1 gesta, kter\u00e1 \u017eeny denn\u011b opakuj\u00ed, v sob\u011b mohou skr\u00fdvat jist\u00e9 nebezpe\u010d\u00ed. Zvl\u00e1\u0161t\u011b tehdy, kdy\u017e pou\u017e\u00edvan\u00e9 produkty nejsou bezpe\u010dn\u00e9. Americk\u00e1 studie zve\u0159ejn\u011bn\u00e1 v \u010dasopise Plos One uk\u00e1zala, \u017ee n\u011bkter\u00e9 l\u00e1tky obsa\u017een\u00e9 v kosmetick\u00fdch v\u00fdrobc\u00edch mohou zp\u016fsobit urychlen\u00ed biologick\u00fdch hodin \u017een o dva a\u017e \u010dty\u0159i roky.<\/p>\n<p>    T\u00fdm v\u011bdc\u016f z Washingtonovy univerzity pod veden\u00edm Ambery Cooperov\u00e9 sledoval 31.500 \u017een, kter\u00e9 ka\u017ed\u00e9 dva roky, od roku 1999 do roku 2008, odpov\u00eddaly na ot\u00e1zky t\u00fdkaj\u00edc\u00ed se zdrav\u00ed a v\u00fd\u017eivy, mezi nimi\u017e byl i dotaz, zda pro\u017e\u00edvaj\u00ed p\u0159echod. Nav\u00edc se analyzovala jejich krev a mo\u010d, aby se zjistila p\u0159\u00edtomnost chemick\u00fdch l\u00e1tek, jako jsou nap\u0159\u00edklad pesticidy a ftal\u00e1ty p\u0159\u00edtomn\u00e9 v parf\u00e9mech, v kosmetice, v laku na nehty \u010di v laku na vlasy.<\/p>\n<p>    V\u011bdci zjistili, \u017ee \u017eeny, u nich\u017e byla spot\u0159eba t\u011bchto substanc\u00ed vy\u0161\u0161\u00ed, m\u011bly menopauzu d\u0159\u00edve ne\u017e ostatn\u00ed, a to o 1,9 a\u017e 3,8 roku. Byla u nich rovn\u011b\u017e \u0161estkr\u00e1t vy\u0161\u0161\u00ed pravd\u011bpodobnost, \u017ee u nich d\u0159\u00edve skon\u010d\u00ed ovulace. Ve studii se zkoumala \u00farove\u0148 111 chemick\u00fdch l\u00e1tek.<\/p>\n<p>    &#8222;Na\u0161e v\u00fdsledky nedokazuj\u00ed, \u017ee pou\u017e\u00edv\u00e1n\u00ed t\u011bchto produkt\u016f vyvol\u00e1v\u00e1 p\u0159ed\u010dasnou menopauzu. Dokazuj\u00ed v\u0161ak to, \u017ee ob\u011b tyto v\u011bci spolu ur\u010dit\u00fdm zp\u016fsobem souvisej\u00ed,&#8220; vysv\u011btluje Cooperov\u00e1. Rad\u00ed \u017een\u00e1m, aby omezily kontakt s chemick\u00fdmi l\u00e1tkami a volily v\u00fdrobky bez syntetick\u00fdch v\u016fn\u00ed (kter\u00e9 obsahuj\u00ed ftal\u00e1ty) nebo bio v\u00fdrobky, aby omezily mno\u017estv\u00ed pesticid\u016f.<\/p>\n<p>    &#8222;Mnoha t\u011bmto substanc\u00edm jsme vystaveni, ani\u017e bychom to mohli n\u011bjak ovlivnit. Nach\u00e1z\u00edme je v\u0161ude: ve vod\u011b, v p\u016fd\u011b a ve vzduchu. M\u016f\u017eeme v\u0161ak omezit chemick\u00e9 l\u00e1tky ve v\u00fdrobc\u00edch, kter\u00e9 denn\u011b pou\u017e\u00edv\u00e1me. Mus\u00edme omezit spot\u0159ebu n\u011bkter\u00fdch produkt\u016f,&#8220; zd\u016fraz\u0148uje Cooperov\u00e1. Podle expert\u016f je dobr\u00e9 kontrolovat slo\u017een\u00ed make-upu \u010di v\u00fdrobk\u016f ur\u010den\u00fdch pro osobn\u00ed hygienu nebo pro \u00faklid v dom\u00e1cnosti. V\u011bdci tak\u00e9 vyz\u00fdvaj\u00ed \u017eeny, aby d\u00e1valy p\u0159ednost prost\u0159edk\u016fm ve skle p\u0159ed t\u011bmi v plastu.<\/p>\n<p>    V\u011bdci chystaj\u00ed dal\u0161\u00ed testy. &#8222;To, co jsme objevili, je jen jak\u00fdsi popla\u0161n\u00fd zvone\u010dek. Budeme muset prov\u00e9st dal\u0161\u00ed v\u00fdzkumy, abychom tuto problematiku hloub\u011bji osv\u011btlili,&#8220; \u0159\u00edk\u00e1 Cooperov\u00e1.<\/p>\n<p>    Washingtonova univerzita ji\u017e p\u0159inesla \u010d\u00e1ste\u010dn\u00e9 v\u00fdsledky studie p\u0159ed dv\u011bma lety. Pokles funkce ovulace a p\u0159ed\u010dasn\u00e1 menopauza nemaj\u00ed vliv jen na plodnost \u017eeny, ale tak\u00e9 u n\u00ed zvy\u0161uj\u00ed riziko srde\u010dn\u00edch chorob, osteopor\u00f3zy a dal\u0161\u00edch zdravotn\u00edch probl\u00e9m\u016f. Uveden\u00e9 chemick\u00e9 l\u00e1tky jsou ji\u017e zn\u00e1m\u00e9 t\u00edm, \u017ee zvy\u0161uj\u00ed riziko n\u011bkter\u00fdch n\u00e1dor\u016f \u010di metabolick\u00e9ho syndromu, kdy \u0159adu rizikov\u00fdch faktor\u016f nebo nemoc\u00ed, kter\u00e9 se \u010dasto vyskytuj\u00ed spole\u010dn\u011b, vede k p\u0159ed\u010dasn\u00fdm komplikac\u00edm zdravotn\u00edho stavu. U d\u00edvek pak zp\u016fsobuj\u00ed p\u0159ed\u010dasnou pubertu. <\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Alarmuj\u00edc\u00ed v\u00fdsledky p\u0159inesla studie, kterou provedla Washingtonova univerzita v Saint Louis na vzorku 31.500 \u017een. L\u00e1tky pou\u017e\u00edvan\u00e9 v make-upu, ale tak\u00e9 v \u010dist\u00edc\u00edch prost\u0159edc\u00edch a <a class=\"mh-excerpt-more\" href=\"https:\/\/www.invarena.cz\/?p=19921\" title=\"Kosmetick\u00e9 substance vedou k p\u0159ed\u010dasn\u00e9 menopauze\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-19921","post","type-post","status-publish","format-standard","hentry","category-zpravy"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/19921","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=19921"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/19921\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}