While less harmful than cigarettes, e cigarettes still pose risks Vaping and e cigarette use is a troubling trend Fort Plain Central School District 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 Vaping headache: Causes, prevention, and more Study: E cigarettes are 95 per cent less harmful than tobacco India Today