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You are 45 years old. Your driver’s license says so. But your heart, immune system, and cellular machinery may be running a 38-year-old’s operating system—or a 52-year-old’s. Which number matters more for how long you’ll live and how well you’ll age? For the first time in history, we can begin to answer that question with quantitative, DNA-based tools that peer beneath the surface of chronological
Evidence Assessment
Evidence Strength
Strong
Study Type
Systematic Review
Confidence
High
Key Findings
- Review of all major biological age clocks—Horvath, GrimAge, DunedinPACE, phenotypic age—their predictive validity for mortality, what they actually measure, commercially available tests, and what interventions move the needle
Practical Takeaways
- Review the evidence on biological age with your healthcare provider
- Evidence-based protocols are detailed in the full article
Limitations & Caveats
- Individual results vary
- Consult a healthcare provider before major interventions