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Sustainable High-Level Function

Meaning

Sustainable High-Level Function describes the long-term, resilient maintenance of optimal physiological, cognitive, and physical performance without requiring excessive compensatory effort or leading to systemic burnout. This state represents the clinical goal of longevity medicine, where health is not merely the absence of disease but the robust capacity to thrive over decades. It implies that the underlying hormonal, metabolic, and cellular systems are operating in a state of balanced efficiency and adaptive reserve.