Lungs After Smoking: Understanding Popcorn Lung from Vaping High School Cheerleader Left with 'Deadly Diagnosis' After Secretly Vaping for 3 Years 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. Did you know vaping and e cigarettes can lead to a condition called Popcorn Lung? Vaping may sound harmless, but it can seriously impact your breathing over time. Learn what causes it, how to