Chronic fatigue syndrome causes

Chronic fatigue syndrome Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

## Overview[edit | edit source]

* The exact cause of chronic fatigue syndrome (CFS) is unknown.

* Some theories suggest CFS may be due to:

* Epstein-Barr virus or human herpes virus-6 (HHV-6); however, no specific virus has been identified as the cause
* Inflammation in the nervous system, because of a faulty immune system response

* The following may also play a role in the development of CFS:

* Age
* Previous illnesses
* Stress
* Genetics
* Environmental factors

* CFS most commonly occurs in women ages 30 to 50.

## References[edit | edit source]

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