Fatigue

State of tiredness, exhaustion or loss of energy

Fatigue is a state of being without energy for a prolonged period of time. The word fatigue is used in two contexts: in the medical sense, and in the sense of normal tiredness. In the medical sense, fatigue is seen as a symptom, and is sometimes associated with medical conditions including autoimmune disease, organ failure, mood disorders, heart disease, infectious diseases, and post-infectious-disease states.

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