Do You Swallow The Smoke From Vape Is It Bad To What Happens If You Swallow A Zyn Pouch? [Comprehensive Answer] If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Smoking and Vaping: How They Damage Your Lungs Over Time Max Hospital Inhale this: What does vaping do to your lungs? 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