Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative 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 Cigarettes and Vaping OHSU E Cigarettes: the truth quitting aid or health risk? TNT Magazine New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking