? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, E cigarettes contain hazardous substances, addictive and harmful Tobacco Smoke, Vaping, and Asthma AAFA.org 2020 Update: Is Vaping More Dangerous Than Smoking? Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London