Longevity
How to Lower Your Biological Age: What Actually Works
You can't reverse the calendar, but the biomarkers behind 'biological age' respond to lifestyle. What genuinely moves them by the evidence — and what's just sold to you.
4 min read
3 articles
You can't reverse the calendar, but the biomarkers behind 'biological age' respond to lifestyle. What genuinely moves them by the evidence — and what's just sold to you.

The 2013 epigenetic clock that reads your age from 353 methylation sites — how it works, why it was a landmark, and why buying a Horvath clock test still tells you very little about yourself.

Epigenetic clocks are a genuine scientific advance, but consumer tests have a reliability problem: rerunning the same sample can shift the answer by years.