Does Vaping Cause Secondhand Smoke? Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association The risks of vape pens' secondhand aerosols Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN The Dangers of Secondhand & Thirdhand Smoke Exposure