Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Secondhand vape exposure regulation of CFTR and immune function in cystic fibrosis American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center