New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E cigarettes accelerate lung colonization of breast cancer cells. A. Download Scientific Diagram 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 How Switching to E Cigarettes After Smoking Cessation Affects Lung Cancer Risk Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus