Kids Health Info : Vaping and e cigarettes Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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 Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Secondhand Vape Exposure: Effects, Who's at Risk, and More The Issues of Testing for Secondhand Smoke. Indoor Science