Secondhand vape exposure: Risks and side effects 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 Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN CA DPH Misrepresents Cannabis Smoke & Vape Hazards Using Anti Tobacco Funds CaNorml.org