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 INFOGRAPHIC: How Dangerous Are E Cigarette Ingredients? Review of the Analytical Methods for and Clinical Impact of Additives and Flavors Used in Electronic Cigarettes Exposure and Health Springer Nature Link E cigarette additives increase inflammation and impair lung function, study finds ecancer Did you know that cigarettes have 599 additives put into analog or traditional cigarettes that creates 4,000 chemical compounds, and E cigarettes have approximately 4 ingredients that make up its liquid like propylene