Popcorn Lung vs. Lung Cancer: Understanding the Critical Differences (and Why It Matters) Frontiers Review of quantitative and functional lung imaging evidence of vaping related lung injury Vaping has officially been linked to a rare and irreversible lung disease known as bronchiolitis obliterans, more commonly referred to as popcorn lung. This condition causes scarring and inflammation of the small Life threatening bronchiolitis related to electronic cigarette use in a Canadian youth CMAJ