Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Thoughts BERNAMA Vaping And Popcorn Lung: A Hidden Health Risk 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. Is There A Link Between E Cigarette Use And 'Popcorn Lung'? Ontario teen develops 'popcorn lung' like vaping illness Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients