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 E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis How Many Cigarettes Is 1000 Puffs? A Complete Guide to Vaping, Nicotine Strengths, and E Cigarette Equivalency Tastefog