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Chi et al: Metabolic mechanism of a polysaccharide from Schisandra chinensis to relieve CFS

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In an ideal world we'd identify susceptibility factors in human patients (such as the recent data on MTHFR mutations)
Unless there's something very new out, I'm not aware of any research showing increased rates of MTHFR mutations in ME/CFS patients. They're extremely common in everyone.
 
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Unless there's something very new out, I'm not aware of any research showing increased rates of MTHFR mutations in ME/CFS patients. They're extremely common in everyone.

Imprecision of speech on my part. I know you've dug into MTHFR to find no statistical difference between pwME and population controls. I've edited for clarity.