Spotlight: Rheumatoid Arthritis Rheumatoid arthritis (RA) is the most common type of inflammatory arthritis. It is an autoimmune disease, which means the body has lost the ability to recognise its own cells as ‘self’.  With RA, immune cells produce autoantibodies that attack the synovium in the joints.  The inflammation that results from this thickens the synovium, which goes on to destroy the cartilage and the bone within the joint. Whatever the trigger is, both the innate and adaptive immune systems respond quickly…