Toxicological Effects of E Cigarettes on Cells, Animals, and Humans and Mechanisms of Toxicity Springer Nature Link Fears vaping could cause Cancer Healthwatch Barnsley Frontiers Direct health implications of e cigarette use: a systematic scoping review with evidence assessment 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 Burwell Public Schools Risks of E Smoking Science & Tech Spotlight: E cigarettes U.S. GAO