We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Vaping Side Effects. Protecting Children's Health 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 In secondhand vape, scientists smell risk American Heart Association