CFS is also known as ME, which stands for myalgic encephalomyelitis. Many people refer to the condition as CFS/ME. CFS/ME can affect anyone, including children. It's more common in women, and tends to develop between your mid-20s and mid-40s.

Is myalgic encephalomyelitis a real disease?

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a serious, long-term illness that affects many body systems. People with ME/CFS are often not able to do their usual activities. At times, ME/CFS may confine them to bed. People with ME/CFS have severe fatigue and sleep problems.

Can you fake chronic fatigue syndrome?

In its final report, "Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness," the panel concluded that CFS is, indeed, a "real" condition. ("Myalgic encephalomyelitis" means muscle pain or fatigue caused by inflammation in the brain and spinal cord.)