Understanding Secondhand Vape Dangers and Their Impact on Your Lungs Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Hidden Dangers of Secondhand Vaping Emory Health Digest 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% Asthma and Allergy Foundation Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is