Sorry for the essay - hope I haven't exhausted you!
There's lots of legitimate info about ME that's not taught in the UK medical schools but can be found at the CDC website, 2015 Institute of Medicine report, etc.
cdc.gov/me-cfs/healthc…
nap.edu/catalog/19012/…
Also this new CPD for UK GPs:
studyprn.com/p/chronic-fati…