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 Lung Cancer Awareness Month offers chance to think about smoking, cancer risk Article The United States Army Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog Broad evidence implicates e cigarettes as a cause of cancer Stanton Glantz blog Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect