Vaping May Reduce Cigarette Smoking Relapse E cigarettes nearly twice as effective as other nicotine replacement therapies at helping smokers quit Peter Hajek Alchetron, The Free Social Encyclopedia MAGGIOrVAPORE, l'e cigarette non crea dipendenza come il tabacco One cigarette likely leads to daily habit, study suggests Behind the smoke: three things to know about e cigarettes Scienceline