High School Cheerleader Left with 'Deadly Diagnosis' After Secretly Vaping for 3 Years Popcorn lung. Vaping lung injury. Lets stop confusing the two., Popcorn lung is the lazy name for bronchiolitis obliteransa disease of the small airways, not the alveoli. , It got its name from Is Popcorn Lung Fatal Die Wahrheit ber Diacetyl Und Die Popcorn Lunge (Teil 2 Popcorn Lung Symptoms Australia 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