Popcorn lunge Vape What Is Popcorn Lung and Why Is It Being Discussed? 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 Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Popcorn lung: how vaping could scar your lungs for life Popcorn lunge Vape 5 Common Vaping Myths Debunked With Facts Bronchiolitis obliterans, commonly known as 'popcorn lung', is an inflammatory lung disease that can cause dry cough, shortness of breath, and wheezing. So how does it get its name? 'Popcorn lung'