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Sustained Stamina

Meaning

Sustained stamina, in a physiological context, refers to the body’s capacity to maintain prolonged physical or mental effort without significant performance degradation, reflecting a high degree of metabolic and neuroendocrine efficiency. This state is supported by optimal mitochondrial function, efficient oxygen utilization, and a resilient hypothalamic-pituitary-adrenal (HPA) axis that can manage prolonged energy demands without crashing. Clinically, it is an indicator of robust hormonal health, particularly balanced thyroid function and stable blood glucose regulation, which ensures a steady fuel supply to working tissues and the brain.