Electronic cigarettes (e cigarettes) are sometimes called e cigs, vapes, vape pens, and electronic nicotine delivery systems (ENDS). E cigarettes come in many shapes and sizes. Most e cigarettes contain nicotine. Get the facts about e cigarettes, Veteran E Cigarette Users Fret 'Cloud Chasers' Give Them a Bad Name Newsweek Eliquide Cassis Framboise Fraises des Bois 50ml Protect What are the Top 10 E cigarette Brands? UPENDS