What Are the Differences Between an E Cigarette and a Vape Kit? 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 E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Difference Between E Cigarette and Vape Difference Between E Cigarette vs Vape E Cigarettes and Vaping PPAC Central