Does Vaping Cause Secondhand Smoke? 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 If you have kids, this matters. Secondhand vape exposure is realand it can impact your child's health more than you might think. Knowing the risks helps you make safer choices for your The 101 on e Cigarettes Infographic American Heart Association