Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Second Hand Vaping: Minimal Impact Compared to Smoking Secondhand vaping: The latest vaping health risk CNET Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN