How Long Does Second Hand Smoke Stay in Your System Chugachmiut See the sites below for more information on secondhand smoke: https: www.healthline.com health second hand vape#at risk groups https: www.webmd.com lung cancer guide vaping lung cancer#:~:text=Ecigarettes%2C%20sometimes%20called%20vapes Parents using e cigs expose kids to dangerous secondhand vapor Futurity Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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