E Cigarette Awareness and Perceived Harmfulness: Prevalence and Associations with Smoking Cessation Outcomes ScienceDirect E Cigs 'Less Harmful' Than Conventional Cigarettes: Review E cigarettes are likely to be much less harmful than conventional cigarettes, an analysis of current scientific research suggests. Scientists argue replacing conventional cigarettes with electronic ones could reduce smoking related deaths even though Large scale Experiment with 3211 People Adds New Evidence to E cigaret Jomotech Vaping is 'as bad as smoking cigarettes' for damaging key blood vessels The Independent The Independent