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 Dangers of vaping and second hand vaping are greatly underestimated Earth.com Secondhand smoke and secondhand aerosol Secondhand Smoke Public Health England maintains vaping is 95% less harmful than smoking Vaping The Guardian