Are you supposed to inhale when you vape? Vaping Post What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Do you enjoy breathing in Vape smoke? 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 MTL vs DTL: Which Vaping Style Matches Your Needs? Mouth To Lung (MTL) vs Direct To Lung (DTL) Vaping Nexeem