Health agencies investigating severe lung illnesses linked to e cigarette use > Air Force Medical Service > Display What is 'popcorn lung' and is it linked to vaping? Yahoo Life UK Electronic cigarette vaping product use is associated with lung injury in a 15 year old adolescent Pediatrics & Neonatology E Cigarette User Has Rare Form of Lung Scarring Typically Found in Metal Workers Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition.