... Abstract Cancer-related fatigue (CRF) is the most common debilitating symptom in cancer, affecting almost 90% of cancer patients. CRF might persist for years after treatment. CRF is not relieved by rest or sleep, as opposed to a ‘burnout syndrome' in otherwise healthy persons. CRF is a disease...

... Abstract There is an increasing interest in understanding the biological mechanism underpinning fibromyalgia (FM) and chronic fatigue syndrome (CFS). Despite the presence of mixed findings in this area, a few biological systems have been consistently involved, and the increasing number...

... Abstract Fibromyalgia and chronic fatigue syndrome represent two of the most commonly encountered functional somatic syndromes in clinical practice. Both have been contentious diagnoses in the past, and this diagnostic dispute has resulted in a therapeutic nihilism that has been of great...

... Abstract Myalgic encephalomyelitis (ME), chronic fatigue syndrome (CFS) and chronic fatigue (CF) are distinct diagnostic categories with regard to clinical symptoms, severity of illness and biomarkers. Patients with ME and CFS show higher scores on fatigue, neurocognitive disorders...

... from the ‘Gulf War syndrome’, a set of poorly defined and heterogeneous ailments consisting mainly of chronic pain, fatigue, depression and other symptoms. Even though over 250 million dollars of federally funded medical research has failed to identify a unique syndrome, the debate regarding...