It's NOT just water vapor. Vaping exposes your lungs to harmful chemicals and can affect your overall health. This Vaping Awareness Month, get the facts and free support to quit. Text READY What's in your vape? Don't be fooled by the flavorsinside are harmful chemicals like propylene glycol, benzoic acid, nicotine, and glycerol that can damage your lungs, irritate your body, and keep you Electronic cigarette Simple English Wikipedia, the free encyclopedia Propylene Glycol Toxicity: Safe to Vape or Not? All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center Understanding E Liquid: The Technology Behind Vaping