Science & Tech Spotlight: E cigarettes U.S. GAO Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest UNC Researchers Tackle the E cigarette or Vaping Product Useassociated Lung Injury (EVALI) Epidemic Newsroom New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association