Truth About E Cigarettes and Vaping: Are They Safer Than Smoking for Lung Cancer Risk? The impact of e cigarettes versus traditional cigarettes on long term cardiopulmonary outcomes American Journal of Physiology Heart and Circulatory Physiology American Physiological Society 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 FDA hazy on e cigarettes' safety CNN.com Ignore e cigarettes at your patient's peril Cleveland Clinic Journal of Medicine