Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA E Cigs and Second Hand Vaping: Dangers and Protections The Impact of E Cigarettes and Asthma: What You Need to Know 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