Interestingly there is a lecture on CFS/ME as part of a Philosophy of Medicine course at UCL delivered by Brendan Clarke. I discovered this when looking for something else, as one does. It gives a non polemical description of the different approaches to defining disease, and might be of interest to newcomers to the debate. These are the notes which are worth reading. https://www.ucl.ac.uk/sts/staff/cla...-_Definitions_of_chronic_fatigue_syndrome.pdf I thought the work draws too heavily on Wessely with reference to "the very good (ME sceptical review by David, Wessely and Pelosi (1988). (Whatever became of them. I suppose our loss may be the west of Scotland's gain) There seems to be little understanding of the illness in terms other than fatigue, but it is nevertheless a serious attempt to describe the differing approaches to disease. I am prepared to forgive any lapses for the graph showing dates of admission in the Royal Free epidemic showing the peak week as 23/30 July. You will guess the reason. Hysteria can produce such strange coincidences.