Ukubheka Ucwaningo Ngezinwele-Izingozi Zezinwele
Uma izinwele zakho ziba mhlophe, ungase ube ngowesithathu-okuyisithathu kwabesifazane abadala abadala-nesinye kweshumi samadoda amadala-anquma ukumboza ngombala wamakhemikhali. Izindlela zokwelashwa zivela esitokisini esivamile sokweqokomisa okuphambene nalokho okufaka umbala omnyama ubuye ube izinwele, yonke indlela yokubala umcibisholo ukuze uqede igrey njalo ngemva kwamasonto amathathu.
Imikhiqizo emibala iphephile kangakanani?
Olunye ulwazi lucwaningo luye lwaphakamisa umphumela ophezulu wamanye khansela phakathi kwabalungisi bezinwele nababhasi bezinwele abasebenzisa la maqhinga emsebenzini wabo, naphakathi kwabantu abawasebenzisa ekhaya. Ezinye izifundo azibonisi isixhumanisi.
Ingabe Izinwele Zenwele Zenza I-Cancer?
Izinhlobo Zemibala Yenwele : Zikhona imikhiqizo ehlukahlukene etholakalayo ukuze kukhishwe izinwele zokuguga . Amaphuzu wesikhashana ahlanzwa kalula ngoba awaxhunyiwe ngendwangu yangaphandle, noma i-cuticle, ye-shaft yezinwele. Imibala engemi-engapheli ingena futhi ichithe i-cuticle, ehlala kuze kube yimisiphazo eyisithupha kuya kwezi-10. Idayi engunaphakade yiyona ethandwa kakhulu, eyenza cishe u-80% wemakethe. Bahlala isikhathi eside kakhulu ngokudala ama-molecule ezinemibala ngaphakathi kwe-shaft yezinwele ngokwayo.
Ukukhathazeka NgoKhuseleko : Maphakathi nawo-1970, olunye ucwaningo lwaphetha ngokuthi izingxenye zezinwele zomzimba ezihlala unomphela, kuhlanganise nama-amine amakha, zenza umdlavuza ezilwaneni. Ngenxa yalokho, abakhiqizi abaningi bakhiphe lezo zithako ngo-1980, ngakho-ke ama-US Food and Drug Administration (FDA) kanye nezifinyezo ze-National Cancer Institute zokucwaninga ngezempilo ngezinwele zensimbi zivame ukubeka izingozi ezihlobene nokusetshenziswa ngaphambi, noma ngemuva kwalokho, ngonyaka.
Ngeshwa, kuye kwaba nezifundo ezimbalwa kusukela ngaleso sikhathi eziye zaqinisa ingozi-noma ukuntuleka kwengozi - yomdlavuza ohambisana nezinwele zendwele. Ngaphezu kwalokho, ucwaningo olukhona aluhlukanisi ngaso sonke isikhathi phakathi kohlobo lwedayi (okwesikhashana, okuyisigxina-unomphela, unomphela) osetshenziswa yizikhonzi zawo noma imvamisa yesicelo.
Umuntu obala umcibisholo njalo ngemva kwamasonto ambalwa unemikhiqizo enkulu kakhulu kunomuntu osebenzisa okwesikhashana izinyanga ezimbalwa. Izindawo eziyinhloko zocwaningo zibandakanya umdlavuza wesibeletho , umnkantsha kanye namagciwane egazi njenge- non-Hodgkin lymphoma ne- leukemia , nomdlavuza webele .
Ezinye izifundo zithole ukuxhumana phakathi kwama-dyes okuhlala unomdlavuza nomdlavuza wesisu, ikakhulukazi phakathi kwesikhathi eside (iminyaka engaphezu kwengu-15) abasebenzisi basekhaya. Ngokuphambene nalokho, isifundo esikhulu seSweden sabantu abangaphezu kuka-45,000 abalungisa izinwele abesilisa nabesifazane abatholanga ukwanda kwamanqamu esandulela isisu.
Olunye ucwaningo olwenziwe ngama-dyes kanye negazi kanye ne-bone marrow cancer, njenge-non-Hodgkin lymphoma ne-leukemia, uye wabonisa imiphumela ephikisanayo. Ukubuyekezwa kuka-2007 kwamaphrojekthi amane okucwaninga, okubandakanya abesifazane abangaphezu kuka-10 000, bathola ukuthi ukwanda kwehlobo olulodwa lwe-non-Hodgkin lymphoma kutholakala kuphela kwabesifazane abaqala ukusebenzisa udayi ngezinwele ngaphambi kuka-1980, ngaphandle kokunyuka kwe- follicular lymphoma phakathi kwabasebenzisi besifazane abanombala obomvu, abaqala ukubala ngemibala emva kuka-1980. Imibala emnyama iqukethe okuningi kwamanye ama-amoni aphunga, ahlanganisa ingxenye engenabalabala "ephakathi" kwedayi.
Ayikho isixhumanisi phakathi kwezinwele zezinwele nomdlavuza webele.
Ukukhubazeka kokuzalwa : Omunye umbuzo ophakanyiswa ngabesifazane abaningi ngokuphathelene nezinengozi zokukhubazeka, ngokusetshenziswa komuntu siqu noma ukuchayeka emsebenzini.
Ezinye izifundo zezilwane zibonise imiphumela ye-teratogenic-noma yokuzalwa kwe-defect-causing-result with high dose. Azikho iziphambeko zokuzalwa eziye zahlanganiswa ekusetshenzisweni kwabantu, noma kunjalo, mhlawumbe ngenxa yokuthi ukumuncwa kwamakhemikhali ngesikhumba kuncane kakhulu.
Noma kunjalo, ukuphutha eceleni kokuqapha, odokotela eMnyangweni Wama-Motherisk e-Toronto Hospital yezingane ezigulayo batusa ukuthi abesifazane banciphise izinwele zabo ngokwezikhathi ezintathu noma ezine ngesikhathi sokukhulelwa. Kwabaningi bezinwele, ngenkathi bekhulelwe, uMamaisk weluleka ukuthi agqoke amagilavu futhi asebenze endaweni enomoya ophuthumayo angabi ngaphezu kwamahora angu-35 ngesonto.
Njengoba kunikezwe imiphumela yocwaningo ephikisanayo yezinwele zezinwele nomdlavuza ngokuvamile, i-FDA ikhuluma ngezinkombandlela ezilandelayo zokusetshenziswa okuphephile:
- Shiya udayi wezinwele kuphela ngesikhatsi sokunconywa kuphela.
- Gqoka amagilavu uma ubhala izinwele.
- Hlanza kahle isikhumba se-scalp ngamanzi emva kokubala.
- Ungalokothi uhlanganise imikhiqizo emibala yemisindo ehlukile.
- Gwema ezinye izinkinga, ezifana no-dermatitis yokuxhumana noma izinwele zezinwele zezinwele , ngokulandela yonke imiyalelo yephakheji nezixwayiso.
Imithombo:
U-Angela Chua-Gocheco, uPina Bozzo no-Adrienne Einarson. "Ukuphepha kwemikhiqizo yezinwele ngesikhathi sokukhulelwa: Ukusetshenziswa komuntu siqu nokuvezwa komsebenzi." Ingabe i-Fam Physician. 2008 Okthoba; 54 (10): 1386-1388.
I-Bolt, i-HM ne-Golka K. "Impikiswano yokuqothulwa kwama-Hair Dyes okuhlala njalo: Ukuqonda okusha." Ukubuyekeza okubalulekile ku-Toxicology 2007. Vol. 37, No. 6: Amakhasi 521-536.
Izinwele Zamawele Neziphumuzi Zezinwele. Ukuphathwa Kwezokudla Nezidakamizwa zase-US: UMnyango WezeMpilo wase-US kanye noHulumeni lwezeMisebenzi kaHulumeni.
Izinwele Zenwele Nekhanda Lomdlavuza. Ishidi Lwazi LwaseKhansela LwaseKhansela.
Huncharek, M. Kupelnick, B. "Ukusetshenziswa Komuntu Ngokwezinwele Zomuntu kanye Nengozi Yomdlavuza Wesinye: Imiphumela Ye-Meta-Analysis". 2005 Jan-Feb; 120 (1): 31-8.