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 Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Social Media Just Breathe Indiana Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center E Cigarettes (Vapes) Smoking and Tobacco Use CDC