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Ingabe ukuhogela ugwayi we-elekthronikhi kubalwa njengentuthu kagwayi?

Ucwaningo lwama-nitrosamine ngokungangabazeki luyingxenye ebaluleke kakhulu ezifundweni eziningi.Ngokohlu lwe-World Health Organization lwama-carcinogens, i-nitrosamine iyi-carcinogenic primary carcinogen.Intuthu kagwayi iqukethe inani elikhulu lama-nitrosamines aqondene nogwayi (TSNA), njenge-NNK, NNN, NAB, NAT… Phakathi kwawo, i-NNK ne-NNN ikhonjwe yi-WHO njengezici ezinamandla ezibangela umdlavuza wamaphaphu, okuyizinto ezidala umdlavuza. zikagwayi kanye nobungozi bentuthu kagwayi."Icala".

Ingabe intuthu ye-e-cigarette iqukethe ama-nitrosamine aqondene nogwayi?Ephendula le nkinga, ngo-2014, uDkt. Goniewicz wakhetha imikhiqizo ye-e-cigarette ethengiswa kakhulu engu-12 emakethe ngaleso sikhathi ukuze kutholakale intuthu.Imiphumela yokuhlola ibonisa ukuthi intuthu yemikhiqizo kagwayi we-elekthronikhi (kufanele ikakhulukazi kube ugwayi we-electronic wentuthu evulekile yesizukulwane sesithathu) iqukethe ama-nitrosamine.

Kuyaphawuleka ukuthi okuqukethwe kwe-nitrosamines entuthuni ye-e-cigarette kuphansi kakhulu kunomusi kagwayi.Idatha ibonisa ukuthi okuqukethwe kwe-NNN kuntuthu ye-e-cigarette kungu-1/380 kuphela we-NNN yokuqukethwe kwentuthu kagwayi, futhi okuqukethwe kwe-NNK kungu-1/40 kuphela we-NNK yokuqukethwe kwentuthu kagwayi."Lolu cwaningo lusitshela ukuthi uma ababhemayo beshintshela ku-e-cigarettes, banganciphisa ukutholakala kwezinto eziyingozi ezihlobene nogwayi."UDkt. Goniewicz wabhala ephepheni.

NgoJulayi 2020, i-US Centers for Disease Control and Prevention yakhipha idokhumenti ethi izinga le-nitrosamine metabolite NNAL emchameni wabasebenzisi baka-e-cigarette liphansi kakhulu, elifana nezinga le-NNAL emchameni wabantu abangabhemi. .Lokhu akufakazeli nje umphumela omkhulu wokunciphisa umonakalo kagwayi ngesisekelo socwaningo lukaDkt. Goniewicz, kodwa futhi kukhombisa ukuthi imikhiqizo yamanje ye-e-cigarette ayinayo inkinga yentuthu kagwayi kagwayi.

Ucwaningo lwathatha iminyaka engu-7 futhi lwaqala ukuqoqa idatha ye-epidemiological mayelana nokuziphatha kokusetshenziswa kukagwayi ngo-2013, okuhlanganisa amaphethini okusetshenziswa, izimo zengqondo, imikhuba, nemiphumela yezempilo.I-NNAL iyi-metabolite ekhiqizwa umzimba womuntu olungisa ama-nitrosamine.Abantu bahogela ama-nitrosamine ngokusebenzisa imikhiqizo kagwayi noma intuthu kagwayi, bese bekhipha i-metabolite i-NNAL ngomchamo.

Imiphumela yocwaningo ikhombisa ukuthi isilinganiso sokuhlushwa kwe-NNAL emchameni wababhemi singama-285.4 ng/g creatinine, futhi isilinganiso sokuhlushwa se-NNAL kumchamo wabasebenzisi be-e-cigarette ngu-6.3 ng/g creatinine, okungukuthi, okuqukethwe. ye-NNAL emchameni wabasebenzisi baka-e-cigarette kuphela owababhemayo u-2.2% wengqikithi.