Johns Hopkins Medicine Team Proposes Ways to Regulate and Better Manage E Cigarette Use Johns Hopkins Medicine Pediatric Environmental Health Center E Cigarettes Boston Children's Hospital Fast facts on the effects of e cigarettes and vaping Infographic: E cigarettes & Cardiovascular Disease World Heart Federation 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 & Vaping Positive Choices