Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Differing Opinions About Second Hand Vape Exposure Vaping Post