News Is Second Hand Vape a Thing Can I be Affected by Secondhand Vape Smoke? 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 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 vape exposure: Risks and side effects Secondhand vaping: The latest vaping health risk CNET