Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand vape exposure regulation of CFTR and immune function in cystic fibrosis American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5%