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Chronic Fatigue Syndrome (CFS) : Causes

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Causes List

Causes could include:
  • No known cause

Causes Overview Articles

Chronic fatigue syndrome
The exact cause of chronic fatigue syndrome(CFS) is unknown. Some researchers suspect it may be caused by a virus, such as Epstein-Barr virus or human herpes virus-6(HHV-6).
Source:ADAM
Date:February 3, 2009
Chronic Fatigue Syndrome
They also conduct a physical examination, neurological examination, and laboratory tests to identify any underlying disorders or other diseases that cause fatigue. In the United States, many doctors use the CDC case definition to determine if a pa...
Source:Gale Encyclopedia of Alternative Medicine
Chronic Fatigue Syndrome
There is no single known cause for CFS. Studies have pointed to several different conditions that might be responsible.
Source:Gale Encyclopedia of Medicine
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