Reasons to quit cigarettes, e cigarettes, and smokeless nicotine products: A cross sectional study among Danish people aged 1529 years PDF) Short term effects of a nicotine free e cigarette compared to a traditional cigarette in smokers and non smokers Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Adults worry e cigarettes will encourage kids to start smoking tobacco National Poll on Children's Health Conclusions about the effects of electronic cigarettes remain the same Cochrane E Cigarettes Found to Provide Some Benefit WSJ