Rheumatoid arthritis is a chronic/can be described as/presents itself as autoimmune disease that primarily affects the joints. In this condition, the body's immune system mistakenly/erroneously/incorrectly attacks the lining/synovium/tissues of the joints, causing inflammation, pain, stiffness, and eventually/over time/gradually joint damage. The e

Rheumatoid arthritis (RA) is a chronic inflammatory disease that affects the joints, causing pain, stiffness, and inflammation. In RA, the body's immune system, which normally defends against infection, mistakenly attacks the lining of the joints, known as the synovium. This autoimmune attack causes chronic inflammation and damage to the cartilage