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 Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab E cigarette Posters and Print Materials Alaska's Tobacco Quit Line E Cigarettes: Patent Analysis and Technological Evolution by Copperpod IP Medium E Cigarettes and Vaping OHSU