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 What is Popcorn Lung and Can Vaping Cause It? The Truth About What Vaping Is Doing to Your Body American Lung Association Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients