Of course while White is correct about the sheer number of competing criteria for ME/CFS his comments are rather unfair in that most research now is either using Fukuda or Canadian, or both. And I think we've seen a couple of ICC research papers as well. I'd even suggest that use of Fukuda is in decline. And given the state of knowledge I don't really understand why organisations like NICE don't simply adopt the Canadian criteria for clinical diagnosis instead of having their own version. Is it really necessary to have different clinical diagnostic criteria? What did you all think about his comments regarding migraine? Aside from the conflating of syndromes under some arbitrary and unwelcome heading, I wonder if we shouldn't talk more about migraine and ME/CFS? If you have experienced migraine as I have - although I don't experience them to the frequency of my best pal who also has M.E. and my experience differs notably to his; then I think it is quite striking how a very similar degree of sensitivity to light, noise and smell is replicated across the two conditions. When I get a migraine, I have to lie-down. My head is so sensitive that sometimes I can't lay my head on a pillow. I am also nauseous and extremely sensitive to light, noise and smell. I am way more fortunate that my pal as I only get them about once a month and if I take the OTC drugs and manage to sleep in a darkened room, they usually pass quite quickly. In contrast, my pal gets then multiple times a day but while his experience is very similar, he doesn't get the intense headache or nausea that I do and his is not relieved by drugs. Life for him is far more limited by migraine than my own - but the similarity to the sensitivity experienced in ME/CFS is I think quite uncanny and even suggestive of similar neuro pathways perhaps. Of course sensitivity to light, noise, smell and touch in ME/CFS is not accompanied - normally - by sudden onset of excruciating headache although nausea might also be experienced. It is rather weird though, don't you think? Makes me wonder why someone hasn't investigated this phenomenon and sought to determine if those neuro-pathways are indeed the same - or different.