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 Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Can I be Affected by Secondhand Vape Smoke? Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice 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. Tobacco Smoke, Vaping, and Asthma AAFA.org