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 Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and Tobacco Smoke, Vaping, and Asthma AAFA.org