Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the 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 Secondhand smoke and secondhand aerosol Secondhand Vape Exposure: Effects, Who's at Risk, and More Second Hand Vaping: A Problem or Not? My Vapery UK