An e cigarette is a battery operated device that heats liquid nicotine, flavoring, and other additives to create an aerosol. This JAMA Patient Page describes e cigarettes and the potential health effects of vaping. https: ja.ma 4dbZqrL Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes Which Smoking Habit Puts You Most at Risk? E Cigarette That Looks Like A Cigarette: The Ultimate Guide SMOKO E Cigarettes Electronic Cigarettes and Your Health: Maritza O Jenkins, DMD: General Dentist