New research shows e cigarette use up sharply among younger adults in US during EVALI outbreak and COVID 19 pandemic The rise of teen vaping is worrying doctors worldwide. While e cigarettes were once marketed as a safer alternative, research shows they contain nicotine, heavy metals, and cancer causing chemicals that can damage developing How Can Smoking and Vaping Impact Cancer? Urology Care Foundation 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