Rheumatoid arthritis (RA) is an autoimmune condition, meaning the immune system mistakenly attacks healthy tissues. RA in the knees may severely affect a person’s mobility.
Source: Medical News Today
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Rheumatoid arthritis (RA) is an autoimmune condition, meaning the immune system mistakenly attacks healthy tissues. RA in the knees may severely affect a person’s mobility.
Source: Medical News Today