Electronic cigarettes: Help or hazard? Harvard Health Do E Cigarettes Do More Good Than Harm? WSJ The facts behind e cigarettes and their health risks The Washington Post Vaping: Know the Dangers Rady Children's Health Missouri Issues Health Advisory For Possible E Cigarette Health Issues STLPR 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