The latest science has PROVEN CFS is caused by a multitude of bacterial, viral, fungal, and/or parasitical infections...
Leading, initial cause is reactivation of dormant herpes viruses:
Hsv1 & 2 (herpes simplex)
Hhv3= the virus that causes mono-it goes dormant after having it then 'wakes up'
Hhv4= the virus that causes chickenpox-it comes back as shingles
Now for the two super bad ones that CAUSE CFS:
HHV6=the rosiola virus=100%of the American population has antibodies for this(u can verify this on cdc.gov) which means we've ALL had the childhood illness; BUT it can 'RE-activate' later in life causing CFS and AIDS in people who have HIV
CMV(cytomegalovirus)-a human herpes virus also, is linked to cancer
Books to read; The virus within, by Nicholas Regush(from Dr's Knox & Carrigans studies)
'Why cant I get better', by Dr. Richard Horowitz
Watch Dr. GARTH Nicholson on YouTube, titled 'Garth Nicholsen & CFS'
Please know that I'm not selling, promoting, or working for any of the above names mentioned; I've just found their research to be of great help w/my mis-diagnosis of CFS when what I've really had, FOR YEARS is a..
Multiple systemic infectious Disease that requires many different treatments for viral, bacterial, parasites, as well as detoxification from heavy metals!