Secondhand smoke and secondhand aerosol Smoking vs vaping what are the key differences? Evapo 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 Smoke & Vape Free Residence Communities Minnesota State University, Mankato Is Vaping Better Than Traditional Smoking for Your Heart Health? 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