The clinical and biological strategy focused on significantly increasing the number of years an individual lives in a state of robust, high-level health, characterized by freedom from chronic debilitating diseases and functional impairment. This objective targets the underlying molecular mechanisms of biological aging across all major organ systems, including the cardiovascular, metabolic, and endocrine networks. Healthspan extension is considered a more clinically relevant and impactful goal than merely extending total chronological lifespan.
Origin
This term is central to the modern field of longevity science and gerontology, differentiating the goal of extending the period of functional ‘health’ from total ‘lifespan’. The term ‘systemic’ emphasizes the multi-organ, integrated approach that is absolutely necessary for achieving durable success. The concept emerged from the recognition that simply living longer without sustained health is not the optimal or desired clinical outcome.
Mechanism
The mechanism involves the precise modulation of fundamental aging pathways, such as the mTOR and sirtuin signaling cascades, to enhance cellular stress resistance and repair capabilities. Interventions are specifically focused on improving mitochondrial quality and function, which are essential for systemic energy production and overall metabolic health. By addressing the core drivers of aging at the cellular and molecular level, the functional integrity of all organ systems is maintained for a significantly longer duration.
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