Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect E cigarettes: 'cancer risk close to zero' Bhekisisa 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 DID YOU KNOW? While some may think vaping is a safer alternative, the reality is that e cigarette aerosol can include all or more of the harmful substances in cigarettes. Understanding the facts