Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients Are Geek Bars Safe: A Look At Disposable Vapes And Vaping Risks Are Geek Bars Dangerous & Are There Alternatives? Essentia Pura 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.