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 Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online Digital Download Materials "Secondhand Smoke" Maine Prevention Store Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at E Cigs and Second Hand Vaping: Dangers and Protections