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 FDA unveils new guidelines for e cigarette makers The Business Times 7 Best Electronic Cigarettes for Ex Smokers (2019) Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab