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 E cigarette use alters respiration but does not impair lung function, according to new findings Pure Cigs Review eCig One E Cigarettes FDA Threatens E Cig Companies National Review Vaping companies sue to delay U.S. e cigarette review Los Angeles Times E cigarettes associated with greatest chance of smoking cessation, suggests Cochrane review The Pharmaceutical Journal