E cigarettes and vaping DrugWise 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, What is e Cigarette and Associated Health Risks IntechOpen Local health council sounds the alarm about vaping E cigarettes: How they work, risks, and research