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Yes, and I think rightly so because it was originally intended to indicate an illness due to one specific unknown virus with features suggestive of encephalomyelitis. As indicated above and suggested by what you say buy the 1980s there was doubt as to whether it was any particular virus...

But that is obviously an inappropriate analogy since for ME/CFS we have pretty good evidence of it being triggered by a wide range of infections, including it seems Covid-19. Practicing medicine on the basis of people's pet theories is not a good idea, as we all know. Pulmonary embolism might...

No it is just a matter of the facts. You cannot define an illness as being due to Blue Meanies that have only been seen in one case at midnight in midsummer. ME/CFS is defined as a syndrome not as the result something that might or might not have been there. In disease category terms it is...

In fact I am not quite sure what the status of 'ME' was by 1983. That was after McEvedy and Beard and presumably after the interest in enteroviruses had largely waned. By about 1990 I was aware that ME was being used for what we would now call ME/CFS but in the 1980s I think there was still...

The new NICE guidelines do not define ME/CFS as post-infective. I said very often not as far as we know on the basis that most accounts of ME/CFS give rates of somewhere around 50-70% for there being a history of infection preceding onset - so that makes lack of evidence of infective trigger...

I m not aware that any of the familiar definitions of ME/CFS make onset after infection a defining, or required, feature. I think if people want a citation it should be for an example where it is required. It is recognised that a significant proportion of patients report an infection that might...

What seems to me particularly unfortunate is that the fringe physicians are generating all these pseudoscientific theories about things like MCS and that allows the BPS people to say that all the modern neurological research shows that we understand all this complicated biology and its real but...

Looking at the patient support group URLs I can see that confusion is widespread but this looks like the EDS situation where the support group literature often bears no relation to real medicine. It seems a bit more like the CFIDS organisation that believes that ME is an immunodeficiency disease.

I don't understand this. As far as I know MCS and MCAS are in no way alternative names like ME and CFS. They are two quite different problems. MCAS has nothing to do with odour sensitivity as far as I am aware. The acronyms have just got confused by site a lot of patients I suspect.

But nobody is likely to have read it. My testimony is an attempt to explain the blinding/subjective issue to people who do not understand. I worried that it was redundant because everyone already understood, but in reality the problem is the many who do not understand never will. Fortunately...

It relates to application of the BPS approach. That is predominantly an issue for unexplained chronic pain and ME but it can spread out into all rheumatological practice for many colleagues.

Dr Katie McDonnell has on her twitter handle: Working class, clinical psychologist. Pro social equality and justice. Views are all mine! I think we would like to see less play-acting and a little less self-righteousness.

But isn't that just the workrate as measured by force x distance in terms of useful output (I assume a bike or treadmill). That isn't total workrate if there is inefficient muscle use. You would need a calorimeter - is that involved? I think I had brought in effort because you were talking...

Same villains, I suspect.

I think it is a mistake to say ME/CFS falls under PAPIS. ME/CFS is not defined by being post-infective and very often is not, as far as we know. Spades should be called spades, not handled gardenware.

I have spent some time on several occasions trying to get to grips with what MCAS might actually be. The literature is dominated by a single physician called Afrin who does not come across at all well in videos of presentations. The whole concept seems ill-defined and pretty unhelpful. For sure...

Do you mean MCAS or MCS? The two are unrelated. I don't think there is good reason to think MCS is immunological. And I am not sure why either should be relevant to LC? We want to get the detail right here.

Sadly, the piece on this site is just as much make-believe. The villains in all this are the medical professionals spinning tales on both sides of the story.

I am not sure that 'Multiple Chemical Sensitivity' is a useful term, rather than simply sensitivity to odours. Nevertheless, reading this report summary it is clearly pure BPS make-believe. It reads as written by A BPS-BOT (operating system Chalder 10.35) the does not have the optional...

That's good. But trying to Google it does not easily come up with the URL, despite putting in lots of relevant words.