Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Popcorn Lung (Bronchiolitis Obliterans): Causes & Treatment Beware of Popcorn Lung Due to Vape Popcorn lung: Causes, symptoms, and treatment The $7.2 Million Popcorn Lung Case: How Daily Microwave Popcorn Destroyed a Man's Lungs Forever by MKWritesHere Write A Catalyst Medium A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage