Rheumatoid arthritis-Symptoms--Causes-Treatments

Rheumatoid arthritis often starts in young adults and flares up in middle age. The condition is more common in women than in men. The causes of rheumatoid arthritis are complex and not perfectly understood.Rheumatoid arthritis (RA) is an inflammatory autoimmune disease that is characterized by the destruction of joint cartilage and inflammation of the synovium (joint fluid)