Electronic cigarette Wikipedia Vapes VS. Cigarettes, Which One Is Safer? An Overview of E Cigarette Impact on Reproductive Health 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, The truth about e cigarettes IQAir IQAir Canada