E cigarettes can result in 'Popcorn Lung' Doctors are warning about a rare but serious lung condition linked to vaping, known as popcorn lung (bronchiolitis obliterans). The disease causes permanent scarring in the lungs' smallest airways, leading to ongoing Inhalation Toxicology of Vaping Products and Implications for Pulmonary Health Is There A Link Between E Cigarette Use And 'Popcorn Lung'? Fact One of the most serious and least discussed dangers of vaping is a condition known as popcorn lung, medically called bronchiolitis Instagram