E Cigarettes: Know the Health Risks Department of Health 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: How they work, risks, and research Health effects of electronic cigarettes Wikipedia All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center While vaping is not risk free, it is less harmful than tobacco Our World in Data