What is Popcorn Lung? Popcorn Lung is a serious, permanent lung disease caused by inhaling harmful chemicals like diacetyl, sometimes found in flavored vapes. Tips for Parents & Caregivers: Talk It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd Popcorn lung: how vaping could scar your lungs for life 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. Vaping, popcorn lung, and EVALI , Its easy to get tricked by marketing and social pressures its easier said than done, but take this as a reminder to stop smoking or vaping , conorkilbridge