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 Public Health Posters Popcorn Lung Triggers Laid Bare Popcorn Lunge Diagnose Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association NEWS Medical professionals are sounding the alarm about a serious and potentially permanent lung condition increasingly linked to vaping. Commonly referred to as popcorn lung, or bronchiolitis obliterans, the disease damages Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes