E cigarettes contain hazardous substances, addictive and harmful Association between prolonged dual use of cigarettes and E cigarettes and psychosocial factors among U.S. Smokers: Secondary data analysis from the 2013 to 2019 PATH study ScienceDirect 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 The Health Impacts of E Cigarettes e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare Health effects and known pathology associated with the use of E cigarettes ScienceDirect