What Is VO2 Max and Should You Care About Yours?

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

I gave lots of blood for 6 longevity tests — here’s how long I can expect to live

Famed biohacker Bryan Johnson and his Blueprint team devised this measure of harmful plastic particles in your blood.

I got barefoot at CES to test the Withings Body Scan 2 — and unlocked tons of longevity insights in just 90 seconds

I tried the new Withings Body Scan 2 at CES 2026 and was blown away by all the longevity-based wellness insights it generated ...