Popcorn lung" is the nickname for bronchiolitis obliterans. It is a condition that damages your lungs' smallest airways and makes you cough and feel short of breath. It's sometimes caused by breathing What Is Popcorn Lung and Why Is It Being Discussed? iSmokeKing.se 7,000 Reasons FHCtoday.com New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association