Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Glutathione peroxidase 3 is a novel clinical diagnostic biomarker and potential therapeutic target for neutrophils in rheumatoid arthritis Arthritis Research & Therapy Springer Nature Link Rheumatoid Arthritis and Reactive Oxygen Species: A Review Joint cell finding gives clues for improved treatment of rheumatoid arthritis