What is 'popcorn lung' and is it linked to vaping? Yahoo Life UK One of the most seriousand least discussedrisks linked to vaping is a condition known as popcorn lung, or bronchiolitis obliterans. It's rare, but permanent. The disease causes scarring in the lungs' Anti Health experts are raising the alarm and we need to pay attention. Popcorn lung, medically known as bronchiolitis obliterans, is a serious and permanent lung condition linked to chemicals Does vaping cause popcorn lung? Allen Carr's Easyway Does Vaping Cause Lung Cancer? What We Know (and Still Don't)