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 Does Vaping Cause Secondhand Smoke? First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Focused on the Facts: Secondhand Marijuana Smoke American Nonsmokers' Rights Foundation no smoke.org