E cigarette health scare: Danger chemicals in liquid nicotine could cause 'popcorn lung', scientists warn The Mirror New medical scans confirm vaping's toxic impact on the lungs. Doctors have now documented cases of teenagers developing popcorn lung from vapinga permanent, incurable condition that shortens life expectancy. Officially called bronchiolitis Hashem Vaping is officially deadly. A life altering diagnosis of 'popcorn lung' in a U.S. teenager is sounding the alarm on the hidden dangers of flavored e cigarettes. A U.S. teenager's secret three year Boro AIO devices Straight Fire Vaporium Can vaping damage your lungs? What we do (and don't) know Harvard Health