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 Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand IQOS SmokeFree Alternatives Heated Tobacco & ZeroTobacco Can You Get Second Hand Smoke From A Vape? Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect The health risks of secondhand smoke are widely understood. But what about secondhand vaping?