Popcorn Lung (Bronchiolitis Obliterans): Causes & Treatment If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vaping damages young people's lungs as much as smoking, study suggests Vaping The Guardian Can Vaping Cause Lung Cancer? Here's What We Know. The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times Smoking Lung Damage: The Effects of Smoking on Your Lungs