Vaping and smoking together increases lung cancer risk fourfold Vaping Lungs vs Healthy Lungs: What You Need to Know 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. A Case of E cigarette or Vaping Product Use Associated Lung Injury Mimicking Miliary Tuberculosis Cureus