Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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 Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA How secondhand smoke, thirdhand smoke & vaping affects kids