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 How Second hand Smoking Affects Pets The Impact of E Cigarettes and Asthma: What You Need to Know Does Vaping Cause Secondhand Smoke? Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London