E- kua hauv e- luam yeeb feem ntau yog nyob rau hauv daim ntawv ntawm nicotine ntsev. Nicotine ntsev e- kua tuaj yeem muab cov neeg siv cov ntsiab lus nicotine ntau dua yam tsis muaj hnyav li nicotine ntawm tib qhov concentration, ua rau nws ze rau qhov kev xav ntawm kev haus luam yeeb ib txwm muaj.
e{0}}cov luam yeeb pov tseg tuaj yeem muab faib ua 200, 300 thiab 500 puffs. Feem ntau, e{5}} luam yeeb siv tau rau ob lossis peb hnub. Ib e- luam yeeb yog sib npaug rau 2-3 pob luam yeeb. Ntxiv rau nicotine thiab cov txuj lom, e-luam yeeb lawv tus kheej tsis muaj lwm yam carcinogens. Txawm li cas los xij, los ntawm kev tshawb fawb, nws tau pom tias cov ntxhiab tsw uas tsim los ntawm cov txuj lom kuj muaj ntau yam tshuaj, uas tseem ua rau lub cev tsis zoo.
