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 Popcorn lung what is it and why should you care? Vejpkollen.se Knox County students warn about dangers of vaping, warning of health risks including 'popcorn lung'