Key Takeaways

Rheumatoid arthritis might be driven in part by premature aging of the immune system

People with joint pain had signs of accelerated immune aging

These signs became more predominant after they were diagnosed with rheumatoid arthritis

WEDNESDAY, Sept. 10, 2025 (HealthDay News) — Rheumatoid arthritis might be caused in part by a prematurely aging immune system, a new study says.

Researchers found that people with joint pain and arthritis exhibited signs of accelerated immune aging, according to findings published recently in the journal eBioMedicine .

This suggests that immune aging might play a direct role in the development of rheumatoid arthritis , an autoimmune disorder that occurs when the immune system attacks a person’s joints, researchers said.

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