Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Secondhand Vape Exposure: Effects, Who's at Risk, and More Thirdhand Smoke Resource Center Protecting Californians Toxic Thirdhand Smoke Residue Reaches Many Children Even in Nonsmoking Homes Research Horizons More middle and high schoolers are getting exposed to secondhand vape aerosols, study indicates The Boston Globe