Rheumatoid Arthritis: Symptoms, Causes, Diagnosis and Treatment

Introduction Rheumatoid arthritis (RA) is a chronic autoimmune disease that mainly affects the joints. It occurs when the body’s immune system attacks the lining of the joints, causing inflammation. This inflammation can lead to pain, swelling, tenderness and stiffness. Rheumatoid arthritis commonly affects the hands, fingers, wrists, knees, ankles, feet and toes. It often affects […]