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  1. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

    May 11, 2023 · Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complicated disorder. It causes extreme fatigue that lasts for at least six months. Symptoms worsen with …

  2. ME/CFS Basics | ME/CFS | CDC

    May 10, 2024 · Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a serious and often long-lasting illness that keeps people from doing their usual activities. It makes physical …

  3. Chronic Fatigue Syndrome (CFS) Causes - Who Gets It and Why

    Sep 25, 2024 · But myalgic encephalomyelitis / chronic fatigue syndrome (ME/CFS) isn't just being tired. It's a new state of fatigue that has lasted for at least 6 months and can be so severe that …

  4. Chronic Fatigue Syndrome: Causes, Symptoms, and Treatment

    Oct 31, 2023 · Chronic fatigue syndrome (CFS) is a disorder characterized by extreme fatigue or tiredness that doesn’t go away with rest and can’t be explained by an underlying medical …

  5. Chronic Fatigue Syndrome - Harvard Health

    Jun 13, 2025 · Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complicated illness characterized by at least six months of extreme fatigue that is not relieved by rest, and a …

  6. Chronic Fatigue Syndrome: Diagnosis, Treatment, and Future …

    Myalgic encephalomyelitis (ME), also known as chronic fatigue syndrome (CFS), is a complex, chronic condition marked by persistent, debilitating fatigue that is not alleviated by rest and …

  7. Chronic Fatigue Syndrome: Causes, Symptoms, and Treatment

    Sep 9, 2024 · Chronic fatigue syndrome (CFS) is defined as persistent or recurrent debilitating fatigue that is not the result of ongoing exertion, not alleviated by rest, not explained by any …

  8. Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)

    Sep 12, 2025 · Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a chronic illness that causes extreme tiredness that doesn’t improve with rest. It often gets worse after physical …

  9. Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)

    Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a long-term condition marked by a major decline in activities that were tolerated beforehand, along with profound tiredness, …

  10. Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)

    Myalgic encephalomyelitis, also called chronic fatigue syndrome or ME/CFS, is a long-term condition that can affect different parts of the body. The most common symptom is extreme …