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HPA Axis Dysregulation

Meaning

HPA Axis Dysregulation refers to a state of chronic imbalance or maladaptation within the Hypothalamic-Pituitary-Adrenal axis, the body’s central stress response system. This dysfunction results in an abnormal secretion pattern of stress hormones, primarily cortisol, which deviates from the normal diurnal rhythm and appropriate feedback mechanisms. Clinically, this dysregulation is associated with numerous conditions, including chronic fatigue, metabolic syndrome, and impaired immune function, reflecting a breakdown in systemic homeostasis.