Rheumatoid arthritis is a type of arthritis, which is a term for a group of often painful medical conditions that affect the body’s musculoskeletal system. The musculoskeletal system enables the body to move and includes the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue. Unlike the wear-and-tear joint damage that occurs with osteoarthritis, rheumatoid arthritis involves inflammation (swelling) […]