Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Tobacco Smoke, Vaping, and Asthma AAFA.org 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 Vape Smoke 220w Risk From Second Hand Smoke On Children Greater Than Previously Thought Second Hand Smoking From Vaping