Since their introduction in Europe in 2006 and the U.S. in 2007, the use of e cigarettes a.k.a., vapes has skyrocketed. A recent review from researchers in Australia found the results Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Teenagers Keep Vaping Despite Crackdowns on E Cigarettes The New York Times PDF) Short term effects of a nicotine free e cigarette compared to a traditional cigarette in smokers and non smokers E cigarettes and Vaping: The New Tobacco Battleground Community Commons Another Article About ECigarettes: Why Should I Care? Journal of the American Heart Association