Thirdhand Smoke Resource Center Protecting Californians 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 e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect