E cigarettes using synthetic nicotine come under FDA oversight Los Angeles Times Vaping Cessation Guidance for Healthcare Providers on Evaluating and Tracking Patient Use of E Cigarettes or ENDS Products American Lung Association E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA E Cigarettes as Effective as Nicotine Patches in Smoking Cessation TIME.com 2 popular vape flavors may increase inflammation in brain, lungs