Lung cancer risks persist with e cigarette use after quitting tobacco smoking 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, Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect E cigarettes: 'cancer risk close to zero' Bhekisisa Researchers now warn that nicotine based e cigarettes are likely carcinogenic, meaning they have the potential to cause cancer, specifically in the lungs and mouth. Learn more in our weekly news roundup. https: t.co i4xGiCxD0t