{"id":111663,"date":"2026-07-27T00:15:51","date_gmt":"2026-07-26T22:15:51","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=111663"},"modified":"2026-07-26T11:25:10","modified_gmt":"2026-07-26T09:25:10","slug":"rozsahla-studie-odhalila-vyssi-riziko-rakoviny-delohy-spojene-s-chlorovanim-vody-jak-snizit-expozici-skodlivym-latkam","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/07\/27\/rozsahla-studie-odhalila-vyssi-riziko-rakoviny-delohy-spojene-s-chlorovanim-vody-jak-snizit-expozici-skodlivym-latkam\/","title":{"rendered":"Rozs\u00e1hl\u00e1 studie odhalila vy\u0161\u0161\u00ed riziko rakoviny d\u011blohy spojen\u00e9 s chlorov\u00e1n\u00edm vody. Jak sn\u00ed\u017eit expozici \u0161kodliv\u00fdm l\u00e1tk\u00e1m?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span dir=\"auto\">Chlorov\u00e1n\u00ed pitn\u00e9 vody pat\u0159\u00ed mezi nejv\u00fdznamn\u011bj\u0161\u00ed opat\u0159en\u00ed ve\u0159ejn\u00e9ho zdravotnictv\u00ed. Zabr\u00e1nilo \u0161\u00ed\u0159en\u00ed mnoha nebezpe\u010dn\u00fdch infekc\u00ed a dodnes hraje d\u016fle\u017eitou roli p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed mikrobiologick\u00e9 bezpe\u010dnosti vody.<\/span><\/strong><\/p>\n<p><span dir=\"auto\">M\u00e1 v\u0161ak tak\u00e9 m\u00e9n\u011b zn\u00e1mou str\u00e1nku. Kdy\u017e chl\u00f3r a dal\u0161\u00ed dezinfek\u010dn\u00ed l\u00e1tky reaguj\u00ed s p\u0159irozen\u011b se vyskytuj\u00edc\u00ed organickou hmotou ve vod\u011b, vznikaj\u00ed vedlej\u0161\u00ed produkty dezinfekce (DBP). Pat\u0159\u00ed mezi n\u011b p\u0159edev\u0161\u00edm trihalometany (THM) a halooctov\u00e9 kyseliny (HAA).<\/span><\/p>\n<p><span dir=\"auto\">Nov\u00e1 rozs\u00e1hl\u00e1 studie publikovan\u00e1 22. \u010dervence 2026 v odborn\u00e9m \u010dasopise\u00a0<\/span><em><span dir=\"auto\">JAMA Network Open<\/span><\/em><span dir=\"auto\">\u00a0p\u0159inesla dal\u0161\u00ed d\u016fvod, pro\u010d t\u011bmto l\u00e1tk\u00e1m v\u011bnovat v\u011bt\u0161\u00ed pozornost.<\/span><\/p>\n<p><span dir=\"auto\">V\u011bdci zjistili, \u017ee dlouhodob\u00e1 expozice vy\u0161\u0161\u00edm koncentrac\u00edm n\u011bkter\u00fdch vedlej\u0161\u00edch produkt\u016f dezinfekce pitn\u00e9 vody souvisela se zv\u00fd\u0161en\u00fdm rizikem rakoviny d\u011blohy.<\/span><\/p>\n<p><span dir=\"auto\">Studie sama o sob\u011b nedokazuje, \u017ee tyto l\u00e1tky rakovinu zp\u016fsobuj\u00ed. Jej\u00ed v\u00fdsledky v\u0161ak navazuj\u00ed na p\u0159edchoz\u00ed v\u00fdzkum a nazna\u010duj\u00ed, \u017ee dlouhodob\u00e1 expozice n\u011bkter\u00fdm DBP m\u016f\u017ee p\u0159edstavovat rizikov\u00fd faktor.<\/span><\/p>\n<h2><span dir=\"auto\">Probl\u00e9m nen\u00ed samotn\u00e1 dezinfekce vody<\/span><\/h2>\n<p><span dir=\"auto\">Souvislost mezi n\u011bkter\u00fdmi vedlej\u0161\u00edmi produkty dezinfekce a nep\u0159\u00edzniv\u00fdmi \u00fa\u010dinky na zdrav\u00ed se zkoum\u00e1 ji\u017e desetilet\u00ed. Mezi nejzn\u00e1m\u011bj\u0161\u00ed DBP pat\u0159\u00ed trihalometany v\u010detn\u011b chloroformu.<\/span><\/p>\n<p><span dir=\"auto\">Je v\u0161ak d\u016fle\u017eit\u00e9 rozli\u0161ovat mezi chlorem pou\u017e\u00edvan\u00fdm k dezinfekci a l\u00e1tkami, kter\u00e9 n\u00e1sledn\u011b vznikaj\u00ed jeho reakc\u00ed s organickou hmotou ve vod\u011b.<\/span><\/p>\n<p><span dir=\"auto\">\u0158e\u0161en\u00edm proto nem\u016f\u017ee b\u00fdt jednodu\u0161e p\u0159estat dezinfikovat pitnou vodu. Bez dezinfekce by se v\u00fdrazn\u011b zv\u00fd\u0161ilo riziko mikrobi\u00e1ln\u00ed kontaminace a chorob p\u0159en\u00e1\u0161en\u00fdch vodou. Ot\u00e1zkou sp\u00ed\u0161e je, zda lze vodu upravovat tak, aby z\u016fstala mikrobiologicky bezpe\u010dn\u00e1 a z\u00e1rove\u0148 obsahovala co nejm\u00e9n\u011b potenci\u00e1ln\u011b \u0161kodliv\u00fdch vedlej\u0161\u00edch produkt\u016f.<\/span><\/p>\n<p><span dir=\"auto\">Pr\u00e1v\u011b zde se setk\u00e1vaj\u00ed zdravotn\u00ed, technologick\u00e9 a ekonomick\u00e9 z\u00e1jmy.<\/span><\/p>\n<p><span dir=\"auto\">Modernizace \u00fapraven vody, ochrana vodn\u00edch zdroj\u016f a zav\u00e1d\u011bn\u00ed nov\u00fdch technologi\u00ed p\u0159edstavuj\u00ed zna\u010dn\u00e9 investice. Vod\u00e1rensk\u00fd sektor m\u00e1 proto p\u0159irozen\u00fd z\u00e1jem na zachov\u00e1n\u00ed postup\u016f, kter\u00e9 jsou ov\u011b\u0159en\u00e9, dostupn\u00e9 a ekonomicky zvl\u00e1dnuteln\u00e9.<\/span><\/p>\n<p><span dir=\"auto\">Z pohledu ve\u0159ejn\u00e9ho zdrav\u00ed je v\u0161ak t\u0159eba tyto z\u00e1jmy pravideln\u011b porovn\u00e1vat s nov\u00fdmi v\u011bdeck\u00fdmi poznatky.<\/span><\/p>\n<p><span dir=\"auto\">I doprovodn\u00fd odborn\u00fd koment\u00e1\u0159 k nov\u00e9 studii upozor\u0148uje, \u017ee sou\u010dasn\u00e9 limity pro THM a HAA byly stanoveny p\u0159ed desetilet\u00edmi na z\u00e1klad\u011b tehdej\u0161\u00edch poznatk\u016f as p\u0159ihl\u00e9dnut\u00edm k technickou a ekonomickou proveditelnost \u00fapravy vody.<\/span><\/p>\n<p><span dir=\"auto\">Nov\u00e9 v\u00fdsledky proto otev\u00edraj\u00ed ot\u00e1zku, zda je nebude t\u0159eba p\u0159ehodnotit.<\/span><\/p>\n<h2><span dir=\"auto\">Co zjistila nov\u00e1 rozs\u00e1hl\u00e1 studie<\/span><\/h2>\n<p><span dir=\"auto\">V\u00fdzkumn\u00edci analyzovali \u00fadaje 53 100 \u017een zapojen\u00fdch do\u00a0<\/span><em><span dir=\"auto\">California Teachers Study<\/span><\/em><span dir=\"auto\">\u00a0. Jejich adresy propojily s historick\u00fdmi \u00fadaji o kvalit\u011b vody v p\u0159\u00edslu\u0161n\u00fdch ve\u0159ejn\u00fdch vodovodn\u00edch syst\u00e9mech a odhadly jejich dlouhodobou expozici v\u00edce kontaminant\u016fm.<\/span><\/p>\n<p><span dir=\"auto\">B\u011bhem sledov\u00e1n\u00ed bylo diagnostikov\u00e1no 1 038 p\u0159\u00edpad\u016f\u00a0<\/span><a href=\"https:\/\/www.badatel.net\/80-pacientov-hlasi-zlepsenie-alebo-stabilizaciu-rakoviny-po-6-mesiacoch-liecby-ivermektinom-a-mebendazolom\/\"><span dir=\"auto\">rakoviny<\/span><\/a><span dir=\"auto\">\u00a0d\u011blohy.<\/span><\/p>\n<p><span dir=\"auto\">V\u00fdsledky uk\u00e1zaly n\u011bkolik pozoruhodn\u00fdch souvislost\u00ed.<\/span><\/p>\n<h3><span dir=\"auto\">1. Trihalometany (THM)<\/span><\/h3>\n<p><span dir=\"auto\">\u017deny s nejvy\u0161\u0161\u00ed dlouhodobou expozic\u00ed celkov\u00fdm trihalomethan\u016fm m\u011bly v porovn\u00e1n\u00ed se skupinou s nejni\u017e\u0161\u00ed expozic\u00ed o 18 % vy\u0161\u0161\u00ed riziko rakoviny d\u011blohy.<\/span><\/p>\n<p><span dir=\"auto\">U endometrioidn\u00edch n\u00e1dor\u016f, kter\u00e9 p\u0159edstavuj\u00ed nej\u010dast\u011bj\u0161\u00ed histologick\u00fd typ, bylo riziko vy\u0161\u0161\u00ed o 23 %.<\/span><\/p>\n<h3><span dir=\"auto\">2. Chloroform<\/span><\/h3>\n<p><span dir=\"auto\">P\u0159i chloroformu byla nejvy\u0161\u0161\u00ed sledovan\u00e1 expozice spojena p\u0159ibli\u017en\u011b s 27% vy\u0161\u0161\u00edm rizikem endometrioidn\u00edch n\u00e1dor\u016f.<\/span><\/p>\n<p><span dir=\"auto\">Anal\u00fdza sm\u011bs\u00ed kontaminant\u016f z\u00e1rove\u0148 nazna\u010dila, \u017ee chloroform a dibromochlormethan pat\u0159ily mezi hlavn\u00ed l\u00e1tky p\u0159isp\u00edvaj\u00edc\u00ed k pozorovan\u00e9 asociaci.<\/span><\/p>\n<h3><span dir=\"auto\">3. Halooctov\u00e9 kyseliny (HAA)<\/span><\/h3>\n<p><span dir=\"auto\">Je\u0161t\u011b v\u00fdrazn\u011bj\u0161\u00ed asociace se objevila u p\u011bti sledovan\u00fdch halooctov\u00fdch kyselin ozna\u010dovan\u00fdch jako HAA5. Vy\u0161\u0161\u00ed expozice HAA5 byla spojena s 86% vy\u0161\u0161\u00edm rizikem neendometrioidn\u00edch n\u00e1dor\u016f d\u011blohy.<\/span><\/p>\n<p><span dir=\"auto\">Toto \u010d\u00edslo je t\u0159eba interpretovat opatrn\u011b. Neendometrioidn\u00edch n\u00e1dor\u016f bylo podstatn\u011b m\u00e9n\u011b a interval spolehlivosti v\u00fdsledku byl pom\u011brn\u011b \u0161irok\u00fd. Historick\u00e9 \u00fadaje o koncentrac\u00edch HAA byly nav\u00edc omezen\u011bj\u0161\u00ed ne\u017e u THM.<\/span><\/p>\n<p><span dir=\"auto\">V\u00fdsledek je proto zaj\u00edmav\u00fdm sign\u00e1lem, \u017ee HAA5 zvy\u0161uj\u00ed riziko u ka\u017ed\u00e9 exponovan\u00e9 \u017eeny o 86 %.<\/span><\/p>\n<h2><span dir=\"auto\">Jak by tyto l\u00e1tky mohly souviset se vznikem rakoviny?<\/span><\/h2>\n<p><span dir=\"auto\">V\u00fdsledky maj\u00ed i biologickou v\u011brohodnost.<\/span><\/p>\n<p><span dir=\"auto\">Experiment\u00e1ln\u00ed studie nazna\u010duj\u00ed, \u017ee n\u011bkter\u00e9 THM a HAA ovliv\u0148uj\u00ed estrogenn\u00ed receptory a hormon\u00e1ln\u00ed sign\u00e1ln\u00ed dr\u00e1hy. To je relevantn\u00ed zejm\u00e9na u endometrioidn\u00edch n\u00e1dor\u016f, jejich\u017e vznik souvis\u00ed s p\u016fsoben\u00edm estrogen\u016f.<\/span><\/p>\n<p><span dir=\"auto\">N\u011bkter\u00e9 dal\u0161\u00ed vedlej\u0161\u00ed produkty dezinfekce vykazuj\u00ed v laboratorn\u00edch podm\u00ednk\u00e1ch mutagenn\u00ed, genotoxick\u00e9 nebo oxida\u010dn\u00ed \u00fa\u010dinky.<\/span><\/p>\n<p><span dir=\"auto\">To je\u0161t\u011b neznamen\u00e1, \u017ee stejn\u00e9 mechanismy p\u0159i koncentrac\u00edch b\u011b\u017en\u011b se vyskytuj\u00edc\u00edch v pitn\u00e9 vod\u011b zp\u016fsobuj\u00ed rakovinu u lid\u00ed. Epidemiologick\u00e9 v\u00fdsledky a mo\u017en\u00e9 biologick\u00e9 mechanismy se tak do ur\u010dit\u00e9 m\u00edry navz\u00e1jem podporuj\u00ed.<\/span><\/p>\n<h2><span dir=\"auto\">Nen\u00ed to prvn\u00ed studie s podobn\u00fdm v\u00fdsledkem<\/span><\/h2>\n<p><span dir=\"auto\">Nov\u00fd v\u00fdzkum je v\u00fdznamn\u00fd i proto, \u017ee se nejedn\u00e1 o izolovan\u00fd n\u00e1lez.<\/span><\/p>\n<p><span dir=\"auto\">P\u0159edchoz\u00ed\u00a0<\/span><em><span dir=\"auto\">Iowa Women&#8217;s Health Study<\/span><\/em><span dir=\"auto\">\u00a0zkoumala \u017eeny po menopauze a rovn\u011b\u017e zjistila souvislost mezi vy\u0161\u0161\u00ed expozic\u00ed THM a HAA5 a rakovinou endometria.<\/span><\/p>\n<p><span dir=\"auto\">Nov\u00e1 kalifornsk\u00e1 studie sledovala geograficky i demograficky odli\u0161nou populaci a p\u0159i THM dosp\u011bla k podobn\u00e9mu v\u00fdsledku. Opakov\u00e1n\u00ed podobn\u00e9ho sign\u00e1lu v r\u016fzn\u00fdch populac\u00edch zvy\u0161uje jeho v\u00fdznam a pot\u0159ebu dal\u0161\u00edho v\u00fdzkumu.<\/span><\/p>\n<p><span dir=\"auto\">Pozoruhodn\u00e9 je tak\u00e9 to, \u017ee asociace se v nov\u00e9 studii objevily p\u0159i koncentrac\u00edch THM pod sou\u010dasn\u00fdm maxim\u00e1ln\u00edm limitem americk\u00e9 EPA (Agentura pro ochranu \u017eivotn\u00edho prost\u0159ed\u00ed). To automaticky neznamen\u00e1, \u017ee dne\u0161n\u00ed limity jsou nebezpe\u010dn\u00e9, ale podporuje to pot\u0159ebu jejich pr\u016fb\u011b\u017en\u00e9ho p\u0159ehodnocov\u00e1n\u00ed podle nov\u00fdch poznatk\u016f.<\/span><\/p>\n<h2><span dir=\"auto\">Expozice nevznik\u00e1 pouze p\u0159i pit\u00ed vody<\/span><\/h2>\n<p><span dir=\"auto\">N\u011bkter\u00e9 THM jsou t\u011bkav\u00e9. \u010clov\u011bk jim proto nemus\u00ed b\u00fdt vystaven pouze prost\u0159ednictv\u00edm pitn\u00e9 vody, ale tak\u00e9 vdechnut\u00edm b\u011bhem sprchov\u00e1n\u00ed \u010di koup\u00e1n\u00ed. \u010c\u00e1st l\u00e1tek se m\u016f\u017ee vst\u0159eb\u00e1vat tak\u00e9 poko\u017ekou.<\/span><\/p>\n<p><span dir=\"auto\">M\u00edra expozice z\u00e1vis\u00ed na kvalit\u011b vody, zp\u016fsobu jej\u00ed dezinfekce, obsahu organick\u00fdch l\u00e1tek, teplot\u011b vody, d\u00e9lce sprchov\u00e1n\u00ed a dal\u0161\u00edch faktorech.<\/span><\/p>\n<p><span dir=\"auto\">To je z\u00e1rove\u0148 jedn\u00edm z limit\u016f studie. V\u011bdci neznali p\u0159esnou osobn\u00ed d\u00e1vku DBP u ka\u017ed\u00e9 \u017eeny, ale expozici odhadovali podle dlouhodob\u00fdch \u00fadaj\u016f z vodovodn\u00edch syst\u00e9m\u016f p\u0159i\u0159azen\u00fdch k m\u00edstu bydli\u0161t\u011b.<\/span><\/p>\n<h2><span dir=\"auto\">Jak sn\u00ed\u017eit expozici vedlej\u0161\u00edm produkt\u016fm chlorov\u00e1n\u00ed vody<\/span><\/h2>\n<p><span dir=\"auto\">V\u00fdsledky studie nejsou d\u016fvodem k panice ani k \u00fapln\u00e9mu odm\u00edtnut\u00ed vody z vodovodu. Pokud v\u0161ak chcete svou dlouhodobou expozici DBP sn\u00ed\u017eit, existuje n\u011bkolik rozumn\u00fdch opat\u0159en\u00ed.<\/span><\/p>\n<h3><span dir=\"auto\">1. Zjist\u011bte, co se nach\u00e1z\u00ed ve va\u0161\u00ed vod\u011b<\/span><\/h3>\n<p><span dir=\"auto\">Kvalita vody se m\u016f\u017ee mezi jednotliv\u00fdmi vodovodn\u00edmi syst\u00e9my v\u00fdrazn\u011b li\u0161it. Informujte se u sv\u00e9ho dodavatele vody, jak\u00fdm zp\u016fsobem se voda dezinfikuje a zda jsou dostupn\u00e9 \u00fadaje o koncentrac\u00edch trihalometan\u016f a dal\u0161\u00edch vedlej\u0161\u00edch produkt\u016f dezinfekce.<\/span><\/p>\n<p><span dir=\"auto\">Samotn\u00e1 informace, \u017ee voda je chlorovan\u00e1, toti\u017e je\u0161t\u011b ne\u0159\u00edk\u00e1, jak\u00e1 je skute\u010dn\u00e1 expozice DBP.<\/span><\/p>\n<h3><span dir=\"auto\">2. Zva\u017ete kvalitn\u00ed filtr s aktivn\u00edm uhl\u00edm<\/span><\/h3>\n<p><span dir=\"auto\">Aktivn\u00ed uhl\u00ed dok\u00e1\u017ee z vody odstranit nebo v\u00fdrazn\u011b sn\u00ed\u017eit mno\u017estv\u00ed n\u011bkter\u00fdch organick\u00fdch l\u00e1tek v\u010detn\u011b chl\u00f3ru a \u010d\u00e1sti trihalometan\u016f.<\/span><\/p>\n<p><span dir=\"auto\">\u00da\u010dinnost z\u00e1vis\u00ed na konkr\u00e9tn\u00edm filtru, jeho velikosti, pr\u016ftoku vody a pravideln\u00e9 v\u00fdm\u011bn\u011b filtra\u010dn\u00ed vlo\u017eky. P\u0159i koupi proto zkontrolujte, na jak\u00e9 konkr\u00e9tn\u00ed l\u00e1tky byl v\u00fdrobek testov\u00e1n a certifikov\u00e1n.<\/span><\/p>\n<h3><span dir=\"auto\">3. P\u0159i vy\u0161\u0161\u00ed expozici lze zv\u00e1\u017eit reverzn\u00ed osm\u00f3zu<\/span><\/h3>\n<p><span dir=\"auto\">Syst\u00e9my reverzn\u00ed osm\u00f3zy dok\u00e1\u017e\u00ed odstranit \u0161irok\u00e9 spektrum kontaminant\u016f a v kombinaci s uhl\u00edkovou filtrac\u00ed v\u00fdrazn\u011b sni\u017euj\u00ed i \u200b\u200bmno\u017estv\u00ed n\u011bkter\u00fdch vedlej\u0161\u00edch produkt\u016f dezinfekce.<\/span><\/p>\n<p><span dir=\"auto\">Jsou v\u0161ak dra\u017e\u0161\u00ed, produkuj\u00ed odpadn\u00ed vodu a nejsou zapot\u0159eb\u00ed v ka\u017ed\u00e9 dom\u00e1cnosti. Nejprve je proto rozumn\u00e9 zjistit re\u00e1lnou kvalitu m\u00edstn\u00ed vody.<\/span><\/p>\n<h3><span dir=\"auto\">4. P\u0159i sprchov\u00e1n\u00ed dob\u0159e v\u011btrejte koupelnu<\/span><\/h3>\n<p><span dir=\"auto\">Jeliko\u017e n\u011bkter\u00e9 THM jsou t\u011bkav\u00e9, mohou se b\u011bhem hork\u00e9 sprchy uvol\u0148ovat do vzduchu.<\/span><\/p>\n<p><span dir=\"auto\">Zapnut\u00ed ventil\u00e1toru, otev\u0159en\u00ed okna nebo kvalitn\u00ed odv\u011btr\u00e1v\u00e1n\u00ed koupelny m\u016f\u017ee sn\u00ed\u017eit mno\u017estv\u00ed t\u011bkav\u00fdch l\u00e1tek, kter\u00e9 b\u011bhem sprchov\u00e1n\u00ed vdechnete. Pom\u00e1h\u00e1 tak\u00e9 krat\u0161\u00ed sprchov\u00e1n\u00ed a m\u00e9n\u011b hork\u00e1 voda.<\/span><\/p>\n<h3><span dir=\"auto\">5. Nespol\u00e9hejte se pouze na pach chl\u00f3ru<\/span><\/h3>\n<p><span dir=\"auto\">Siln\u00fd chlorov\u00fd z\u00e1pach automaticky neznamen\u00e1 vysokou koncentraci THM a naopak voda bez v\u00fdrazn\u00e9ho z\u00e1pachu nemus\u00ed b\u00fdt bez vedlej\u0161\u00edch produkt\u016f dezinfekce.<\/span><\/p>\n<p><span dir=\"auto\">\u010cich proto nen\u00ed spolehliv\u00fdm zp\u016fsobem hodnocen\u00ed kvality vody.<\/span><\/p>\n<h3><span dir=\"auto\">6. Filtry pravideln\u011b vym\u011b\u0148ujte<\/span><\/h3>\n<p><span dir=\"auto\">Star\u00fd nebo nespr\u00e1vn\u011b udr\u017eovan\u00fd filtr ztr\u00e1c\u00ed \u00fa\u010dinnost au n\u011bkter\u00fdch syst\u00e9m\u016f m\u016f\u017ee vytv\u00e1\u0159et podm\u00ednky pro r\u016fst mikroorganism\u016f.<\/span><\/p>\n<p><span dir=\"auto\">Dodr\u017eov\u00e1n\u00ed doporu\u010den\u00e9ho intervalu v\u00fdm\u011bny je proto stejn\u011b d\u016fle\u017eit\u00e9 jako samotn\u00fd v\u00fdb\u011br filtru.<\/span><\/p>\n<h2><span dir=\"auto\">Nej\u00fa\u010dinn\u011bj\u0161\u00ed \u0159e\u0161en\u00ed v\u0161ak nele\u017e\u00ed pouze v dom\u00e1cnostech<\/span><\/h2>\n<p><span dir=\"auto\">Odpov\u011bdnost za kvalitu vody nelze p\u0159en\u00e9st v\u00fdlu\u010dn\u011b na jednotlivce.<\/span><\/p>\n<p><span dir=\"auto\">Mno\u017estv\u00ed DBP lze sni\u017eovat ji\u017e b\u011bhem \u00fapravy vody, nap\u0159\u00edklad lep\u0161\u00ed ochranou vodn\u00edch zdroj\u016f a odstran\u011bn\u00edm co nejv\u011bt\u0161\u00edho mno\u017estv\u00ed organick\u00fdch l\u00e1tek je\u0161t\u011b p\u0159ed dezinfekc\u00ed. V\u00fdznamnou roli hraje i modernizace vod\u00e1rensk\u00e9 infrastruktury.<\/span><\/p>\n<p><span dir=\"auto\">Takov\u00e1 opat\u0159en\u00ed v\u0161ak stoj\u00ed pen\u00edze. Vod\u00e1rensk\u00e9 spole\u010dnosti mus\u00ed z\u00e1rove\u0148 zajistit mikrobiologickou bezpe\u010dnost, dodr\u017eovat regula\u010dn\u00ed limity a udr\u017eet cenu vody na p\u0159ijateln\u00e9 \u00farovni. Investice do nov\u00fdch technologi\u00ed proto p\u0159irozen\u011b nar\u00e1\u017eej\u00ed na ekonomick\u00e9 a technick\u00e9 z\u00e1jmy st\u00e1vaj\u00edc\u00edho syst\u00e9mu.<\/span><\/p>\n<p><span dir=\"auto\">Pr\u00e1v\u011b proto je d\u016fle\u017eit\u00e9, aby regula\u010dn\u00ed limity vych\u00e1zely z aktu\u00e1ln\u00edch v\u011bdeck\u00fdch poznatk\u016f a aby ekonomick\u00e1 proveditelnost nebyla jedin\u00fdm krit\u00e9riem rozhodov\u00e1n\u00ed.<\/span><\/p>\n<h2><span dir=\"auto\">Co si ze studie odn\u00e9st<\/span><\/h2>\n<p><span dir=\"auto\">Nov\u00e1 studie nedokazuje, \u017ee pit\u00ed chlorovan\u00e9 vody zp\u016fsobuje rakovinu d\u011blohy. Ukazuje v\u0161ak souvislost mezi dlouhodobou expozic\u00ed n\u011bkter\u00fdm vedlej\u0161\u00edm produktem dezinfekce a vy\u0161\u0161\u00edm rizikem onemocn\u011bn\u00ed.<\/span><\/p>\n<p><span dir=\"auto\">Nejv\u00fdrazn\u011bj\u0161\u00ed sign\u00e1ly se objevily u trihalometan\u016f a halooctov\u00fdch kyselin a navazuj\u00ed na p\u0159edchoz\u00ed v\u00fdzkum s podobn\u00fdmi v\u00fdsledky.<\/span><\/p>\n<p><span dir=\"auto\">Pro jednotlivce d\u00e1v\u00e1 nejv\u011bt\u0161\u00ed smysl zn\u00e1t kvalitu vlastn\u00ed vody, v p\u0159\u00edpad\u011b pot\u0159eby pou\u017e\u00edvat vhodnou a spr\u00e1vn\u011b udr\u017eovanou filtraci a omezit zbyte\u010dnou expozici t\u011bkav\u00fdm DBP b\u011bhem dlouh\u00e9ho sprchov\u00e1n\u00ed horkou vodou.<\/span><\/p>\n<p><span dir=\"auto\">Z dlouhodob\u00e9ho hlediska je v\u0161ak d\u016fle\u017eit\u00e1 \u0161ir\u0161\u00ed ot\u00e1zka: jak vyu\u017e\u00edt technologick\u00e9ho pokroku tak, aby pitn\u00e1 voda z\u016fstala mikrobiologicky bezpe\u010dn\u00e1 a z\u00e1rove\u0148 obsahovala co nejmen\u0161\u00ed mno\u017estv\u00ed ne\u017e\u00e1douc\u00edch produkt\u016f jej\u00ed chemick\u00e9 \u00fapravy.<\/span><\/p>\n<p><span dir=\"auto\">Autor: Willow Tohi, Zdroj:\u00a0<\/span><a href=\"https:\/\/www.naturalnews.com\/2026-07-23-chlorinated-tap-water-linked-to-uterine-cancer.html\" target=\"_blank\" rel=\"noopener\"><span dir=\"auto\">naturalnews.com<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chlorov\u00e1n\u00ed pitn\u00e9 vody pat\u0159\u00ed mezi nejv\u00fdznamn\u011bj\u0161\u00ed opat\u0159en\u00ed ve\u0159ejn\u00e9ho zdravotnictv\u00ed. Zabr\u00e1nilo \u0161\u00ed\u0159en\u00ed mnoha nebezpe\u010dn\u00fdch infekc\u00ed a&#8230;<\/p>\n","protected":false},"author":2,"featured_media":111664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[7071,839,1106,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/111663"}],"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=111663"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/111663\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/111664"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=111663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=111663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=111663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}