Juvenile idiopathic arthritis is a chronic, inflammatory disease in children that causes swelling, pain, and stiffness in joints. Learn about symptoms and treatment.
Rheumatoid arthritis (RA) is a disease in which the body's immune system begins attacking the lining of the joints. Learn about symptoms and treatment.
An autoimmune disease that causes inflammation in the joints, tendons, and/or the spine.
Pediatric sarcomas are a rare type of childhood cancer that requires a team of specialized experts for treatment. Learn how this condition is diagnosed.
Vaccines activate the immune system, training it to fight off certain viral and bacterial infections.