Army issues public health alert after multiple severe lung illness cases associated with vaping Article The United States Army Health agencies investigating severe lung illnesses linked to e cigarette use > Air Force Medical Service > Display 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. Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine E Cigarette User Has Rare Form of Lung Scarring Typically Found in Metal Workers