Don't junky puff your vape! Or vape at all! . Vaping may not be as bad for you as cigarette smoking (jury is still out on that), but it's still horrible for 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 delivers heated chemicals directly into the lungs. Unlike air, vape aerosols contain fine particles, nicotine, heavy metals, and flavoring compounds that were never designed to be inhaled. Once inside the chest, Smoke and Mirrors: The Myth of Healthy Vaping University of Utah Health Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center