E Cigarettes (Vapes) Smoking and Tobacco Use CDC Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand vape plumes could form lung damaging radicals American Chemical Society Is Secondhand Vaping Harmful To Your Health? Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website 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%