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Sustained Functional Output

Meaning

Sustained Functional Output represents the consistent, long-term capacity of an individual to perform at a high level across physical, cognitive, and metabolic domains without experiencing burnout or significant performance degradation. It is a measure of enduring physiological efficiency and resilience, which is a direct consequence of optimal hormonal and cellular health maintained over time. Achieving sustained functional output is the ultimate metric of successful longevity intervention and healthspan extension.