ME/CFS has been psychologised by a framework known as the
biopsychosocial model, spearheaded by an influential group of psychiatrists in the UK. Proponents of this model maintain that the disease has no biological basis, and that it is an “
illness without disease.” According to this view, patient symptoms arise from a combination of mental distress, unhelpful beliefs, and a vicious cycle of inactivity.
The
PACE trial, conducted in 2011 to examine ME/CFS, was the most expensive study of the disease at the time, partly funded by the Department for Work and Pensions and then published in the
Lancet. It purported to demonstrate that ME/CFS patients could recover with a regime of therapy and exercise designed to break bad mental and physical habits. PACE was uncritically accepted by public agencies
and media around the world, and it would be used to
influence international treatment guidelines for ME/CFS.
But the PACE study has since been conclusively debunked. Its multiple faults include data manipulation, questionable methodology, and conflicts of interest.