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 Neethu Mohan Vaping: Learn the Facts Canadian Lung Association CU Surgery Faculty Member Contributes to Study on Traumatic Injuries Caused By Exploding E cigarettes Lung Disease, CVD Strongly Linked to EVALI Deaths MedPage Today Vaping increases risk of lung disease by a third, U.S. study suggests CBC News