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 THC vape ban still in place as nicotine goes back on market Daily Emerald E cigarettes: safer than smoking, National Academies report finds Vox The Best Coffee Flavored Vape Juices for Caffeine Loving Vapers