ECG0108 Evidence on E Cigarettes 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 Public Health England maintains vaping is 95% less harmful than smoking Vaping The Guardian E Cigarette Awareness and Perceived Harmfulness: Prevalence and Associations with Smoking Cessation Outcomes ScienceDirect