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Human System Uptime

Meaning

Human System Uptime is a functional metric, borrowed from engineering, that quantifies the duration and quality of time an individual spends in a state of optimal physical, cognitive, and metabolic function, free from disease or significant functional impairment. It is a practical measure of healthspan and physiological resilience, emphasizing the time spent operating at a high level of performance. Maximizing this uptime is the core objective of longevity protocols.