The Most Common Symptoms of Rheumatoid Arthritis

Rheumatoid arthritis (RA) is an autoimmune disease where the body’s immune system mistakenly attacks the joints’ lining. The immune response causes joint inflammation, pain, and stiffness in the joints and is the main differentiating factor between RA and osteoarthritis. Osteoarthritis results from mechanical wear and tear on the joints. 1.5 million Americans have rheumatoid arthritis, […]