E cigarette XBAR, Enovap Mercier Juul disregarded early evidence it was hooking teens Research & Commentary: Despite Scientific Evidence, More Americans Believe E Cigarettes Are as Harmful as Tobacco Cigarettes The Heartland Institute Research & Commentary: Study Finds E Cigarettes Would Prevent 6.6 Million Premature Deaths The Heartland Institute E cigarettes tied to asthma in isle youth Strengthening the cognition of university students to refuse e cigarette use: A pilot randomized controlled trial of a peer to peer intervention