The clinical objective of decreasing the measurable, circulating levels of pro-inflammatory cytokines and acute-phase reactants, such as C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α), which collectively constitute the systemic inflammation index. Chronic, low-grade systemic inflammation is a major driver of age-related diseases and hormonal dysregulation, so its reduction is a core therapeutic goal. Successful reduction indicates a healthier, less stressed internal environment.
Origin
This term is a clinical metric derived from immunology and endocrinology, combining ‘systemic inflammation’ (widespread, low-grade immune activation) with ‘index reduction’ (lowering a quantifiable score). It emerged as research established the critical link between chronic inflammation and nearly all age-related pathologies, including cardiovascular disease and insulin resistance. The index serves as a powerful, objective biomarker of overall health status.
Mechanism
Reduction is achieved by modulating the upstream signals that trigger the immune response, often involving optimizing gut barrier function and mitigating chronic psychological stress, which elevates cortisol and primes the immune system. Hormonal balance is critical, as optimized sex steroids can exert anti-inflammatory effects. The mechanism involves shifting the balance of immune cell activity, promoting the resolution of inflammation, and decreasing the production of pro-inflammatory signaling molecules.
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