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 How safe is vaping? UCLA Secondhand smoke and secondhand aerosol Vaping vs. Smoking: Is One Really Safer Than the Other? What to know about the health impact if you're caught in a cloud of someone's vape smoke: https: fox8.com news nexstar media wire does vaping cause secondhand smoke doctors explain the side effects In secondhand vape, scientists smell risk American Heart Association