Does Vaping Cause Secondhand Smoke? 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 Tobacco Smoke, Vaping, and Asthma AAFA.org Thirdhand Smoke Resource Center Protecting Californians Secondhand Smoke and Electronic Cigarette Aerosols US EPA Secondhand smoke and secondhand aerosol