Fibromyalgia like many other disorders often called disease is actually a syndrome, a collective set of symptoms that remains the same within the identified group.
This does not make it any less real. There is a plethora of research, https://thesethree.com/Research_Abstracts.html#FM_Research , that points to particular upsets in the brain and possible peripheral nerve involvement, such as that presented on small fiber neuropathy at the American College of Rheumatology 2012 Annual Meeting; Nov. 10-14-2012.
Replicated research on various upsets specific to fibromyalgia validates fibromyalgia is a very real condition.
Answers are based on the writings/books of the author and are not meant to replace medical advice.
Find out more about this book:Integrative Therapies for Fibromyalgia, Chronic Fatigue Syndrome, and Myofascial Pain: The Mind-Body Connection