Secondhand Vape Exposure: Effects, Who's at Risk, and More 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 nicotine vaping at home and respiratory symptoms in young adults Thorax Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals