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 Teens Who Vape Are More Likely to Smoke Cigarettes Business Insider Teens Who Vape Are More Likely to Smoke Cigarettes Business Insider Higher Rate of Smoking May Result from a National Vaping Tax, Georgia State Economist Finds Georgia State University News Andrew Young School of Policy Studies, Research, University Research Health & Wellness