Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand Vape Exposure: Effects, Who's at Risk, and More The Impact of E Cigarettes and Asthma: What You Need to Know 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 Myth Buster ~ "Second hand vape smoke" is actually water vapour and is not harmful to other people or the environment. #vape #vaping #vapeuk #ecigerette #smoke #quit