Study Finds E Cigarettes Contain Chemical Tied to 'Popcorn Lung' WSJ Popcorn lung' may have brought teen close to death after vaping for months Stout Middle School Popcorn lung: What is it, and who is at risk? Harvard Health Doctors have linked vaping to a rare, incurable lung condition called obliterative bronchiolitis, often referred to as popcorn lung. The disease permanently scars and narrows the lungs' airways, causing lifelong breathing problems. Popcorn Lung Vape Warning: What You Need to Know Simpol.ph