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Chronic Fatigue Syndrome - Cause

Doctors don't know what causes chronic fatigue syndrome (CFS). For many people, CFS symptoms start after a viral illness. In some cases, CFS seems to follow a major physical or emotional trauma or an exposure to toxins. But there is no single known cause of CFS.

Other theories point to the immune system, glands and hormones, and family history. But again, there's not enough evidence to prove a solid connection.

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Chronic Fatigue Syndrome

Important It is possible that the main title of the report Chronic Fatigue Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

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WebMD Medical Reference from Healthwise

Last Updated: March 12, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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