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 Is Secondhand Vape Smoke Bad for You? Baton Rouge General Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Health Risks of E Cigarettes and Vaping American Lung Association Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Does Vaping Cause Second Hand Smoke V2 Cigs UK