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. E Cigarettes, Vaping & Lung Health Pulmonary & Respiratory Care Loma Linda University Health What You Need to Know About Vaping The Impact of Smoking and Vaping on Respiratory Health Blog