The Impact of E Cigarettes and Asthma: What You Need to Know Secondhand Vape Exposure: Effects, Who's at Risk, and More 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 The Impact of E Cigarettes and Asthma: What You Need to Know Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA