The evidence keeps piling up: e cigarettes are definitely safer than smoking Science The Guardian Study Reveals E Cigarette Users Smoke Less and Increase Quit Attempts A few months of vaping puts healthy people on the brink of oral disease Vaping is not a gateway to smoking with no sign young e cig users will move on to cigarettes, scientists say E Cigarettes Not Helping People Quit Smoking: Study 5 Vaping Facts You Need to Know Johns Hopkins Medicine