Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America The Issues of Testing for Secondhand Smoke. Indoor Science 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: Effects, Who's at Risk, and More Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC