Rheumatoid arthritis (RA) is a systemic autoimmune inflammatory condition

Rheumatoid arthritis (RA) is a systemic autoimmune inflammatory condition

Rheumatoid arthritis is a chronic inflammatory disease that affects the joints, especially the fingers, wrist, elbows and knees. It can cause tenderness and swelling in the joints, and it may affect the muscles, tendons, ligaments and other tissues. In the most severe...