Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 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 9 signs your teen may be vaping Nebraska Medicine Omaha, NE Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Secondhand vape exposure: Risks and side effects About E Cigarettes (Vapes) Smoking and Tobacco Use CDC