While vaping is not risk free, it is less harmful than tobacco Our World in Data About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Dr. David Nutt of Imperial College London said that scientific evidence clearly shows e cigarettes and other less harmful alternatives are much safer than smoking and can support smoking cessation. Read the Massachusetts new vaping campaign done with student input masslive.com Juul disregarded evidence it's e cigarettes were getting teens hooked The Jerusalem Post