Fact One of the most serious and least discussed dangers of vaping is a condition known as popcorn lung, medically called bronchiolitis Instagram Popcorn lung. Vaping lung injury. Let's stop confusing the two. Popcorn lung is the lazy name for bronchiolitis obliteransa disease of the small airways, not the alveoli. It got its name from Does Vaping Cause Popcorn Lung? Is it True That Vaping Can Cause Popcorn Lung? Freeman Vape Teens Are 'Juuling' At School. Here's What That Means Popcorn Lung vs. Lung Cancer: Understanding the Critical Differences (and Why It Matters)