What Does Vaping Do to Your Lungs? Johns Hopkins Medicine What Does Vaping Do to Your Lungs? Johns Hopkins Medicine It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Timeline of Lung Recovery After Quitting Smoking Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk Dangers of Vaping University of Utah Health University of Utah Health