Funda kabanzi malunga nendlela i-carcinogens eyonakalisa ngayo i-DNA kwiiseli zethu
I- carcinogen nayiphi na into okanye i-arhente ebangela umdlavuza. Iyenjenjalo ngokutshintsha i-cellular metabolism okanye ngokulimaza i-DNA kwiiseli zethu, ukuphazamisa iinkqubo zamaselula eziqhelekileyo. Ukuchongwa kwezinto kwindawo yokubangela ukuba abantu bagule nomhlaza kunceda ekuthintela ukuthintela.
I-carcinogens ingaba yimichiza, iintsholongwane, okanye kwanamachiza kunye neyeza zokwelapha ezisetyenziselwa ukunyanga umdlavuza.
Nangona i-carcinogen okanye ukudibanisa kwama-carcinogens kungabangela umdlavuza, akusenokuba yisona sizathu kuphela kuba ukuthambekela kokuvelisa umdlavuza kunokufumana ilifa.
Indlela iCargenogens Yenza ngayo umdlavuza
Izinto ze-carcinogen zingenza umdlavuza ngeendlela ezilandelayo:
- Ngokulimaza ngqo i- DNA kwiiseli ezikhokelela ekutshintsheni (ukuphazamisa inkqubo eqhelekileyo yeeseli)
- Ngokungathinti i-DNA ngokuthe ngqo, kodwa endaweni yoko kubangela ukuba iiseli zihlukane ngokukhawuleza kunokuba ziqhelekileyo, ezinokunyusa amathuba okuguquka kwe-DNA kunye nokuguqulwa kwamanzi.
I-DNA yeseli ingonakaliswa ngolo hlobo lwezinto kunye nokutyhila, kuquka:
- Indlela yokuphila-into oyidlayo, ukuba ubhema, ukungabi nento yokwenza umsebenzi
- Ukubonakaliswa kwemvelo-ukukhanya kwe-ultraviolet, i-radon gas, ama-agent adlulisekayo
- Unyango-unyango kunye ne- chemotherapy , i-hormone, i- immunosuppressants
- Ukutyhila kwendawo yomsebenzi-eminye imisebenzi iye yandisa ukukhutshwa kweekhemikhali okanye iimveliso
- Ukutyhila kwezindlu-iimveliso zokucoca, iipende, utywala, kunye neertictic, njl.
- Ukungcoliseka komoya kungaphandle komsi okanye ukutshaya umsi wecuba
Ezinye i-carcinogens aziyi kubangela umdlavuza kodwa zingakhokelela kumhlaza. Ezinye i-carcinogens zibangele umdlavuza xa unesigxina esiphezulu, amazinga aphakamileyo. Indlela umzimba wakho uphendule ngayo kweli nqanaba lokungcola, ubude, kunye nexesha, ubukhulu bokubakho, ukudibanisa nokufakela i-genetic yakho kuya kubeka umngcipheko wokuba nomhlaza.
Ulwahlulo lweCarcinogens
I-carcinogens ihlelwa yi-International Agency for Research on Cancer (IARC). I-IARC inxalenye ye-World Health Organisation (i-WHO) kunye nenjongo yayo ephambili kukuba kukhangele ukuvelisa umdlavuza wezinto ezihlukeneyo kunye nokubeka i-carcinogens ngokufanelekileyo.
I-carcinogens ihlelwa kwiqela elilandelayo:
- Iqela 1: I-carcinogeni kubantu
- Iqela 2A: Mhlawumbi i-carcinogen kubantu.
- IQela 2B: Mhlawumbi i-carcinogen kubantu.
- Iqela le-3: Akunakucatshulwa ngokubhekiselele kwi-carcinogenicity in the people
- Iqela 4: Mhlawumbi ayinayo i-carcinogen kubantu
Izinto eziziwa ngokuba yiCarcinogenic kubantu
Kungaba nzima ukuvavanya nokwahlula izinto njenge-carcinogen kubantu njengokuba kungabalulekanga ukuvavanya ukuba kukho into engabangela umdlavuza ngokutyhila abantu kuyo. Ngenxa yoko abaphandi baye bakwazi ukubeka izinto ezingaphezu kwe-100 njenge "carcinogenic" kubantu.
Ezinye zezinto eziqhelekileyo eziyaziwa ngokuba yi-carcinogen kubantu kubandakanya (zininzi ngaphezulu):
- Utywala
- Imveliso yeAluminium
- I-arsenic kunye ne-arsenic engaqhelekanga
- I-Asbestos (zonke iifom) kunye nezinto ezincinci (ezifana ne-talc okanye i-vermiculite) equle i-asbestos
- Benzene
- ICadmium kunye ne-cadmium
- Amalahle, ukukhutshwa kwangaphakathi kwimizi yomlilo
- Injini yokukhupha, idizili
- I-Epstein-Barr virus (intsholongwane)
- I-Estrogen yokwelashwa kwe-postmenopausal
- I-formaldehyde
- I-Helicobacter pylori (ukusuleleka)
- I-virus ye-Hepatitis B (intsholongwane engapheliyo)
- Intsholongwane ye-Hepatitis C (intsholongwane engapheliyo)
- Ubunjenge-immunodeficiency virus type 1 (HIV-1) (unyango)
- I-papillomavirus yabantu (HPV) (ukusuleleka kwiintlobo ezithile)
- Ukuxiliswa kwemisebe (zonke iintlobo)
- Intsimbi kunye nesiseko esisiseko (indawo yokusebenzela emsebenzini)
- Uthuli lesikhumba
- Amafutha amaminerali, angaphathwa kakubi okanye athathwe kakuhle
- I-MOPP kunye nezinye i-chemotherapy ezidibeneyo ezibandakanya ama-alkylating agents
- I-nickel
- Ukungcola komoya ngaphandle
- Ipeyinti (indawo yokusebenzela emsebenzini njengomdwebi)
- Ukusetyenziswa kwenyama (ukusetyenziswa)
- Radon
- Ishishini lokuvelisa i-Rubber
- Shale oyile
- Uthuli lwe-silica, i-crystalline, ngohlobo lwe-quartz okanye i-cristobalite
- Ukukhanya kwelanga
- Ugwayi, utshaywa
- Umsi wecuba, usebenza
- Ukubhema ugwayi
- I-ultraviolet (UV) imisebe kunye ne-ultraviolet-emitting tanning devices
- I-vinyl chloride
- Uthuli lomthi
- I-X kunye neGamma-radiation
Imithombo:
American Cancer Society. Yaziwa kwaye mhlawumbi i-carcinogens yabantu .
Umbutho WezeMpilo Wehlabathi. Ukukhusela umdlavuza .