... cohort study,the Altrincham Pain Study, that psychosocial factors, includingreporting other non-pain somatic symptoms, aspects of illnessbehaviour and high levels of psychological distress and fatigue, ... accuracy of the findings. More importantly, subjects with chronic widespread pain, when compared to pain free con-trols, have increased rates of other symptoms, including high levels of psychological ... non-inflammatory low back pain [9]. These findings areequivocal, however, with some investigators reporting thatpatients with fibromyalgia display hyperactive HPA responses[7,8,12,13].The nature of the...