Clinical Oncology Society of Australia concludes E cigarettes are likely to cause lung cancer and oral cancer Stanton Glantz blog 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, The Side Effects and Cancer Risk Associated with Vaping Growing the research evidence on e cigarettes by Research at CRUK Medium E Cigarettes and Breast Cancer: Is Vaping Really Safer?