Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand smoke and secondhand aerosol Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC 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