The (first) issue is, can any biomarker distinguish CFS patients from those with other fatiguing illnesses? And second, is it measuring the cause, and not the consequence, of illness? this study does not provide any evidence that either has finally been achieved.

Simon Wessely

Sir Simon Charles Wessely, FMedSci (born 23 December 1956, in Sheffield) is a British psychiatrist. He is professor of psychological medicine at the Institute of Psychiatry, King's College London and head of its department of psychological medicine, vice dean for academic psychiatry, teaching and training at the Institute of Psychiatry, as well as Director of the King's Centre for Military Health Research.

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