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 Some E Cigarette Flavors May Be More Harmful Than Others The Atlantic Batterie E Smart 320mAh Kangertech ADNS Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA E cigarettes 'Potentially as Harmful as Tobacco Cigarettes' UConn Today