The Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI Secondhand vape exposure regulation of CFTR and immune function in cystic fibrosis American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Study uncovers the hidden dangers of secondhand vape exposure to children