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HPA Axis Resilience

Meaning

HPA Axis Resilience is the inherent capacity of the Hypothalamic-Pituitary-Adrenal axis to effectively adapt, respond, and rapidly recover from exposure to acute or chronic physiological and psychological stressors. A resilient HPA axis maintains appropriate cortisol and catecholamine responses without progressing into a state of chronic over-activation or debilitating hypo-responsiveness. This adaptive capability is fundamentally crucial for sustained energy, robust immune competence, and effective long-term stress management.