Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect E Cigarettes (Vapes) Smoking and Tobacco Use CDC In secondhand vape, scientists smell risk American Heart Association 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 Secondhand Vape Exposure: Effects, Who's at Risk, and More