E Cigarette Smoke Causes Lung Cancer in Mice NYU Langone News The Side Effects and Cancer Risk Associated with Vaping Can vaping cause cancer? The evidence suggests it might. Clearing the Air: The Harsh Reality of Vaping and Smokeless Products Leading to Cancer E cigarettes and cancer 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,