Rheumatoid Arthritis (RA): Sign & Symptoms, Treatment

Rheumatoid Arthritis

Introduction Rheumatoid arthritis, or RA, is an autoimmune, systemic, and inflammatory disease that primarily affects the joints, causing inflammation, pain, and stiffness. While the exact cause of RA remains mysterious, it is believed to be caused by a combination of environmental and genetic factors. RA results in the destruction of connective tissue and synovial membrane … Read more