Tobacco Smoke, Vaping, and Asthma AAFA.org Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 Complete Guide to Secondhand Vaping Devices Vape Direct News Is Second Hand Vape Smoke Harmful?