Effects Of Second Hand Vape Smoke Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Should I Be Concerned About Secondhand Vaping? Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute