Juvenile Arthritis Facts

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Definition

Juvenile rheumatoid arthritis (JRA) is a term used to describe a common type of arthritis in children. It is a long-term (chronic) disease resulting in joint pain and swelling.


Alternative Names

Juvenile chronic polyarthritis; JRA; Still's disease; Juvenile idiopathic arthritis


Causes, incidence, and risk factors

The cause of JRA is not known. It is thought to be an autoimmune illness. In this type of condition, the body's immune system mistakenly attacks and...

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