Stem Cell Technology: A Promising Treatment for Rheumatoid Arthritis Rheumatoid arthritis manifests itself mostly as stiff, swollen, and painful joints, though its underlying mechanism is more complex than that of osteoarthritis. The disease is caused by an abnormality in the immune system (called autoimmunity) where white blood cells attack the tissue in the joints. This … Continue reading Stem Cell Technology: A Promising Treatment for Rheumatoid Arthritis