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 Cigarettes and Associated Health Risks: An Update on Cancer Potential E Cigarette Smoke Causes Lung Cancer in Mice NYU Langone News E Cigarettes (Community Conversations) Wilmot Cancer Institute More cancer causing chemicals found in electronic cigarettes The Verge Does E Cigarette Cause Cancer? Exploring Health Risks and Comparisons to Smoking SMOKO E Cigarettes