How Do E Cigarettes Work? Dispergo Vaping Electronic Cigarettes and Cardiovascular Risk Smoking Racine, Wisconsin, USA. 10th Sep, 2019. Vaping and e cigarette products are sold behind the counter at the Taylor Mart gas station and convenient mart in Racine, Wisconsin, Tuesday September 10, 2019. Credit: 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 Spin, Science and E Cigarettes CBC Radio