Is vaping a safe alternative to smoking? A1AD Support Manual Smoking Machine VC1 7 VITROCELL E cigarette Characteristics, Safety Issues, & Regulation Britannica 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,