Health Information
Juvenile Idiopathic Arthritis
Cause
The cause of juvenile idiopathic arthritis (JIA) isn't well understood. Most experts believe it is caused by a combination of things, including:
- An Reference immune system Opens New Window that is too active and attacks joint tissues.
- Viruses or other infections that cause the immune system to attack joint tissues.
- Having certain Reference genes Opens New Window that make the immune system more likely to attack joint tissues.
| By: | Reference Healthwise Staff | Last Revised: Reference June 5, 2012 |
| Medical Review: | Reference Susan C. Kim, MD - Pediatrics
Reference John Pope, MD - Pediatrics |
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