Case For E Cigs Continues to Strengthen American Council on Science and Health 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, Are E Cigarettes a Healthy Way to Quit Smoking? WSJ E cigarette Characteristics, Safety Issues, & Regulation Britannica What Are the Differences Between an E Cigarette and a Vape Kit? About E Cigarettes (Vapes) Smoking and Tobacco Use CDC