Smoke without fire: What's the truth on e cigarettes? New Scientist New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking U.K. Government Agency's E Cigarettes Report Based on 'Flimsy' Evidence, the Lancet Says WSJ Scientists say the evidence is clear: E cigarettes beat patches and gum in helping smokers quit ScienceDaily While vaping is not risk free, it is less harmful than tobacco Our World in Data