Here’s a great abstract about genomic studies that found different subgroups of CFS patients. It studied the gene expression of 88 Chronic Fatigue patients.
“Clinical features of each subtype were as follows: subtype 1 (cognitive, musculoskeletal, sleep, anxiety / depression); subtype 2 (musculoskeletal, pain, anxiety / depression); subtype 3 (mild); subtype 4 (cognitive); subtype 5 (musculoskeletal, gastrointestinal); subtype 6 (postexertional); subtype 7 (pain, infectious, musculoskeletal, sleep, neurological, gastrointestinal, neurocognitive, anxiety / depression). ”

http://jcp.bmj.com/cgi/content/abstract/jcp.2007.053553v1

This is good news because it can help explain why symptoms vary between patient to patient. I think that this has been one of the main problems of why CFS isnt accepted by some doctors. Maybe these genomic studies can organize these groups, and lead to treatments that are specific to each patient.

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