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% Tobacco Smoke, Vaping, and Asthma AAFA.org News Is Second Hand Vape Smoke Harmful? Effect of second hand fumes from vaping on young lungs Can you get second hand smoke from vape? Vaping Post Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects