Can vaping damage your lungs? What we do (and don't) know Harvard Health E Cigarettes as a Public Health Problem In early 2026, medical research has solidified the link between flavored e cigarettes and irreversible respiratory conditions, most notably bronchiolitis obliterans, commonly called "popcorn lung". This disease occurs when chemical flavoring agentssuch as E cigarette et sant bucco dentaire : quels risques pour les gencives, les dents et la bouche ? Recharges Liquides Doctors have linked vaping to a rare, incurable lung condition called obliterative bronchiolitis, often referred to as popcorn lung. The disease permanently scars and narrows the lungs' airways, causing lifelong breathing problems.