vaping: what's really in that cloud? Vaping may seem more harmless than other types of smoking, but many contain nicotine and chemicals that can hurt your lungs and keep you hooked. 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 Does Vaping Make You Poop? The Vapr Room Vaping could harm your lungs, even within days or weeks of doing it. Don't let vaping harm your health.