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 POPCORN LUNGE DURCH VAPES UND E ZIGARETTEN Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest Does vaping cause Popcorn Lung? Vaperite Popcorn lung: Teen first case of life threatening vaping injury Popcorn lung: how vaping could scar your lungs for life