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 How secondhand smoke, thirdhand smoke & vaping affects kids 2nd Hand Vape Smoke Effects Sleeping baby safety tip: Keep baby's environment smoke and vape free. E Cigs and Second Hand Vaping: Dangers and Protections 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