E cigarettes contain hazardous substances, addictive and harmful Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society E cigarettes and vape devices come in a number of forms. While some resemble tobacco products, others resemble household objects like USB devices, pens, highlighters and chargers. Some devices are re chargeable and other Adolescent Users of Juul, Other E Cigarette Pods Exposed to Nearly As Much Nicotine as Smokers Alaska Native News