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 JUUL Is Unsafe. We Want You to Know Why. Popcorn Lung From Juul Vape Popcorn Lung And Wet Lung Vaping Injuries Popcorn Lung From Juul Pods Australia The Dangers of JUUL Vaping & E Cigarettes Taylor Martino