CFS is not a bogus invention and is recognized as a diagnosable illness, it's a syndrome. Those of us whom suffer from it know it is real.

However CaliforniaFriend, I am not sure that CFS in itself can cause tingling or numbness. It definitely is fatigue, which in turn can cause memory loss. Raynauds is a form of arthritis, which many fibro's do have. I have all of the issues you mentioned and do not have MS. Have you been to see a neurologist? Had any neuropathy testing done? That's where you should start. A brain MRI usually can rule out MS.