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 Does Vaping Cause Secondhand Smoke? Can I be Affected by Secondhand Vape Smoke? Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure