Photos Show Vaping Lung Damage Like Blisters and Lung Collapse Business Insider Imaging experts give insight on vaping related lung injury AuntMinnie Is Mouth to Lung Vaping Better Than Direct to Lung? 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.