Teen Vaping: What Parents Can Do Children's Hospital Colorado E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Vaping makes lung bacteria more harmful and cause more inflammation The combination of propylene glycol and vegetable glycerin e cigarette aerosols induces airway inflammation and mucus hyperconcentration Scientific Reports Electronic cigarettes cause much less inflammation than tobacco Prevention Observatory of the Montreal Heart Institute