Blog

Two people, both 45. One moves like they're 35. The other feels 60. Same number, completely different biology. Here's what's actually being measured — and why it matters.

There is a lot of noise in this space. Supplements that promise everything. Devices that measure nothing useful. This is what the data shows — and what I actually use with clients.

Epigenetic clocks are one of the most precise tools we have right now for measuring biological age. But they're widely misunderstood. What they measure, what they don't, and when they're worth doing.

The people I work with are not unhealthy. They're busy, capable, and quietly falling behind on their own biology. This is the gap that most medicine doesn't address.

PhenoAge is not a wellness score. It's a mortality risk model built from 9 blood biomarkers, developed by Morgan Levine at Yale. Here's how it works — and why it's one of the most useful clinical tools I know.