AGING?F***THAT!
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Glowing translucent cyan wireframe human scan with measurement rings and biomarker overlays

Don't just live longer. Live younger.

Get a repeatable, independent-lab verified biological age assessment, then use a data-driven ten-tenet programme to improve the markers that make ageing measurable.

Book Your Bio Age Test
Lee C. Stonehouse, founder of AGING?F***THAT!

Verified assessment · example client report

Biological age 47Chronological age 63−16 years divergence

The operating system

Start with the signal. Build from there.

Biological Age Assessment

A repeatable, independent-lab verified view of the markers that make ageing measurable.

Understand the test

Elite Age Reversal Program

A measured programme for people ready to turn data into an intelligent, sustained operating system.

Explore the programmes

The Book & Deep Dives

Ten practical tenets, academic context and immediately useful ways to make the next decade count.

Browse the book
Cyan DNA helix and mitochondria inside translucent cell membranes
The Healthspan Extension Manual book cover by Lee C. Stonehouse

The book

The manual behind the method.

Ten practical steps for people who want the second half of life to perform differently from the first. Each tenet closes with three things you can put into practice immediately.

Read about the book
Lee C. Stonehouse, founder of AGING?F***THAT!

An invaluable legacy

Live younger for yourself and your loved ones.

Age reversal is not only about adding healthier years to your own life. It is about being there — stronger, healthier and capable — for your children and, one day, their children.

Perhaps the most valuable legacy you can leave is not simply what you give them, but the example you set for how to live.

Ready to measure?

Make the next decade count.

Book Your Bio Age Test