CRP (C-reactive protein) is a well-established biomarker for systemic inflammation. In seniors, elevated CRP can indicate chronic low-grade inflammation ('inflammaging'), linked to increased risk of cardiovascular disease, frailty, and cognitive decline. A MyBody-X test typically measures CRP via blood (e.g., hs-CRP). Evidence is moderate: CRP is extensively studied, but as a standalone marker for healthy aging it is insufficient. Lifestyle factors (diet, exercise, sleep) have a stronger impact than genetic variants. The test can provide orientation but does not replace medical evaluation. Caveat: acute infections or injuries transiently raise CRP – results must be interpreted in context.
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