Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas 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, PromoLiquide : Boutique de Vape avec les prix les plus bas ! Links to E Cigarette Resources American Lung Association