When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Tobacco Smoke, Vaping, and Asthma AAFA.org 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 Vaping Better Than Smoking? American Heart Association Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association