Rheumatoid Arthritis, Explained

How RA starts in the joint lining, why early treatment matters, and what remission looks like.

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How it works · Inflammatory arthritis

A healthy joint

Smooth cartilage caps the bone ends, and a thin lining called the synovium makes fluid that keeps the joint gliding.

At a glance

Topic

Conditions

Length

8 min

Reviewed by Farhan Tahir, MD, FACR

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