(ĐTĐ) – Juvenile rheumatoid arthritis (JRA), also called juvenile idiopathic arthritis (JIA) and juvenile chronic arthritis (JCA), is the most common childhood arthritis. This disease may affect up to 294,000 children in North America alone. What is juvenile rheumatoid arthritis? Juvenile rheumatoid arthritis causes joint inflammation and stiffness for more than six weeks in a […]
