Electronic cigarette Wikipedia FDA permits the marketing of an e cigarette for the first time, paving the way for vaping products to be legally sold in the U.S. Roswell Park Comprehensive Cancer Center Buffalo, BMC Series blog Holy e smoke! New York State bans indoor use of e cigarettes E cigarettes: safer than smoking, National Academies report finds Vox The Vape Debate: This New Trend May Be Riskier Than You Think MedStar Health