Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk 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 Smoke Vape Causes Lung Disease E cigarette Stock Vector (Royalty Free) 1580147245 Shutterstock