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 Smoke and Electronic Cigarette Aerosols US EPA Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Tobacco Smoke, Vaping, and Asthma AAFA.org Juul study shows secondhand vaping emissions are less toxic than cigarette smoke