Rheumatoid arthritis is one of the most common forms of arthritis, affecting 1.3 million adults in the United States. It’s an autoimmune disease, meaning the immune system mistakenly attacks healthy cells in the body instead of protecting them. A healthy immune system protects against germs and sends fighter cells to attack them. But with autoimmune diseases, the immune system treats normal cells like foreign cells and releases autoantibodies that attack healthy cells. Autoantibodies are… Continue reading 5 Causes of Rheumatoid Arthritis