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% Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Secondhand Vape Plumes May Form Lung Damaging Free Radicals: Study Tobacco Reporter