Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute News Is Second Hand Vape a Thing 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% Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association