11/09/2025
Rheumatoid arthritis (RA) is a health problem that mainly affects our joints.
It happens when the bodyβs own defense system (immune system) starts attacking the joints by mistake.
This leads to pain, swelling, and stiffness.
RA does not appear suddenly. It grows slowly over time, step by step. That is why doctors talk about stages of RA.
Each stage shows how much the joints are affected. In the beginning, the signs are smallβlike mild pain or morning stiffness.
But if not treated in time, it can slowly damage the joints and make daily activities harder.
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