Rheumatoid factor Qn

Rheumatoid Factor is an autoantibody — it shows up when your immune system starts attacking healthy tissue, especially in joints. It’s most often associated with Rheumatoid Arthritis, but elevated RF can also show up in other autoimmune conditions or even chronic infections. High doesn’t always mean disease, but it does mean your immune system is more activated than it should be. If you're dealing with joint stiffness, pain, or fatigue, RF is a key clue — but should always be interpreted alongside symptoms and other markers (like CRP, ESR, or anti-CCP).

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