Use of vapes (e cigarettes) among adults in Great Britain ASH While vaping is not risk free, it is less harmful than tobacco Our World in Data A large, randomized trial has been published that addresses the safety and effectiveness of using e cigarettes to help quit smoking cigarettes. Prof. @Howard Forman discusses the mixed evidence from E cigarettes around 95% less harmful than tobacco estimates landmark review GOV.UK The Ongoing Debate Over e Cigarettes and Public Health AJMC