70 of the 7 Thousand Chemicals in That Smoke Cause Cancer Yeditepe niversitesi Hastanesi Rethinking Vaping Broad evidence implicates e cigarettes as a cause of cancer Stanton Glantz blog Study Looks at Bladder Cancer Risk in E cigarette Users Respiratory Therapy Evidence update on the cancer risk of vaping e cigarettes: A systematic review 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