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Longevity & Biological Age

How to measure biological age, what actually moves the needle, and the science behind healthspan extension.

Biological age vs. chronological age: how we measure it, why it matters, and what actually moves the needle

Biological age vs. chronological age: how we measure it, why it matters, and what actually moves the needle

Biological age reflects how well your cells and systems are aging, independent of years lived. We compare GrimAge, PhenoAge, and DunedinPACE—what they predict, their limitations—and the evidence-backed interventions that genuinely influence them.

Erika Tajra, MBBS, MSc
9 min read
The five biomarkers most predictive of healthspan (and how to test them)

The five biomarkers most predictive of healthspan (and how to test them)

ApoB, HbA1c with fasting insulin, hsCRP, VO2max, and grip strength are the five biomarkers with the strongest evidence for predicting healthspan. Each is modifiable through specific interventions.

Erika Tajra, MBBS, MSc
10 min read