About E Cigarettes (Vapes) Smoking and Tobacco Use CDC New E Cigarette Laws Could Drive Some Users to Smoke More Cigarettes Duke Health The Health Impacts of E Cigarettes Nothing good comes from smoking , and vaping isn't a safe alternative. E cigarettes often contain nicotine and other harmful substances, and studies show that young people who vape are more likely to vaping New River Valley Community Services Addressing e cigarette misperceptions School of Psychological Science University of Bristol