Vaping on the rise in U.S., especially among young people Pew Research Center Just published the first randomized controlled trial of varenicline for vaping cessation CoEHAR 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 CoEHAR Study: Most Peer Reviewed Vape Studies Are Methodologically Flawed Vaping Post