online version from 2014 https://www.oxfordreference.com/dis...0;jsessionid=1D35ADC7120E43014E42C2A54B5E8340
That's not quite right though is it? It starts out OK right up to "minimum of energy expenditure" but then it slips into graded exercise and mood disorders, which is a huge class error. What that is really trying to say is, IMHO, CFS/ME/PVF can be *confused with* conditions which do respond to graded exercise, talking therapy and happy pills. The reason why treating them as the same condition is harmful is right there staring you in the face. "is made worse by physical or mental exertion", if it is made worse by exertion then its not suitable for graded exercise. They are not one and the same condition and that is a key criterion for distinguishing them. Surely it is self evident!?
Agreed, it should be self evident. This definition is a mish- mash. It looks like a few people added bits and pieces as they went along. This definitely needs an update.
Well it is nearly 10 years old. Bit shoddy website management to not have had it reviewed and updated.