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Chronic Fatigue Syndrome

Meaning

Chronic Fatigue Syndrome (CFS), also known as Myalgic Encephalomyelitis (ME/CFS), is a complex, debilitating, long-term neuroendocrine and immunological disorder characterized by profound, persistent fatigue that is not alleviated by rest and is often worsened by physical or mental exertion. This condition significantly impairs daily functioning and is accompanied by a constellation of symptoms, including cognitive dysfunction, sleep abnormalities, and post-exertional malaise. Its clinical diagnosis remains challenging due to the lack of definitive biomarkers.