There appears to be a never-ending stream of information about Fibromyalgia, ME/CFS, POTS and MCS, much of which is conflicting and confusing.
The book CFS Unravelled was written to present an explanation that ties these many 'theories', symptoms and experiences into a single comprehensive explanation.
The best place to start is to watch 3 videos from the list on the right and then check out the other key articles.
Start Here First:
Next: Move Forward