Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Is 2nd Hand Vapor Or Aerosol From E cigarettes Harmful? SMOKO E Cigarettes ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek