Does Vaping Cause Second Hand Smoke V2 Cigs UK 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 Secondhand vape exposure: Risks and side effects 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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center