Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand Smoke and Electronic Cigarette Aerosols US EPA First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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 Secondhand smoke and secondhand aerosol