Popcorn lung: What is it, and who is at risk? Harvard Health Best Geek Bar Alternatives 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. Which e cigarette is best for vaping CBD? Vaping Post Fact One of the most serious and least discussed dangers of vaping is a condition known as popcorn lung, medically called bronchiolitis Instagram What is popcorn lung? Can you get it from vaping?