Curious about the difference between healthy lungs and a vapers lungs? See how vaping impacts your lungs, and why its best to quit early. While vaping is not risk free, it is less harmful than tobacco Our World in Data If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vaping among teens declines, but health risks and addiction remain a concern News Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Inhale this: What does vaping do to your lungs?