E Cigarette How E Cigarettes Work, Health Risks & Teen Use 533 Electronic E Cigarette Stock Photos Free & Royalty Free Stock Photos from Dreamstime 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, E Cigarette Market Industry Outlook and Forecast 2032 Learn about the risks of e cigarette and vape pen use from the Stanford REACH Lab. This social graphic was developed by the Stanford REACH Lab, a Stanford research lab focused on promoting