Electronic cigarettes: A safe substitute? New Scientist 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 Are e cigarettes dangerous, or a better alternative to tobacco? Vaping Nicotine May Increase Heart Failure Risk By Almost 20%, Study Suggests 3 Reasons to Say No to E Cigarettes Brayton Purcell LLP E cigarettes, Safe Smoke TechKnow