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MedlinePlus is an online health information resource for patients and their families and friends. It is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). Learn more about MedlinePlus
- FEATURED TOPIC
- Lupus
- Lupus is an autoimmune disease that causes your immune system to attack your healthy tissues and cells. This can cause damage to many parts of your body.
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