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 About E Cigarettes (Vapes) Smoking and Tobacco Use CDC While vaping is not risk free, it is less harmful than tobacco Our World in Data More evidence that e cigs expanding nicotine addiction Stanton Glantz blog The effect of e cigarettes on smoking cessation and cigarette smoking initiation: An evidence based rapid review and meta analysis