HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Secondhand Smoke Vermont Department of Health 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. Is 2nd Hand Vapor Or Aerosol From E cigarettes Harmful? SMOKO E Cigarettes Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule