Young man gamer inhaling of a vapor with electronic cigarette.Vape flavor liquid chemicals.Use of e cigarettes in the home.Smoking and vaping negative Stock Photo Alamy 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 iKrusher Vape 101: How to Use Inhale activated Vapes Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Lost Vape Centaurus M200 Box Mod Kit