Which Smoking Habit Puts You Most at Risk? 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 Dangers associated with e cigs Poison Control Vaping Devices (Electronic Cigarettes) DrugFacts National Institute on Drug Abuse (NIDA) E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA