👉 Rheumatoid arthritis (RA) is a chronic inflammatory disease of the joints that typically affects the immune system. It can affect various parts of the body, including the joints, muscles, ligaments, tendons, and bones. The exact cause of RA remains unknown, but it is thought to be an autoimmune disorder. The body's immune system mistakenly attacks healthy tissue in the joints, leading to inflammation and pain. This inflammation can cause joint damage, cartilage loss, and other complications,
