It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Three new papers detail FDA errors in authorizing Vuse Solo Stanton Glantz blog Evaluation of Cytotoxicity and Oxidative Stress of Whole Aerosol from Vuse Alto ENDS Products Inhalation Toxicology of Vaping Products and Implications for Pulmonary Health