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 Exposure to second hand nicotine from VAPING doubles risk of young adults developing a wheeze Daily Mail Online Can you get second hand smoke from a vape 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