Common Questions

What is my Outlast Age?

A functional age built from nine routine blood tests plus fitness, grip, waist and blood pressure, each weighted by published mortality data. The free calculator on this site ranks which of them are worth the most years to you.

How to start longevity?

Begin with the inexpensive basics: exercise, sleep, food and blood pressure, then a few well-supported supplements, and an honest look at the repurposed generic drugs.

What is longevity escape velocity?

Longevity escape velocity means extending life faster than aging progresses, aiming to live long enough for future regenerative treatments.

We discuss how to plan your financial wellness for extended life.

How to fund long life?
Are stem cells effective?

Stem cell therapies show promise in regenerative medicine but require ongoing research to confirm long-term benefits.

Close-up of hands holding a capsule supplement against a blurred background.
Close-up of hands holding a capsule supplement against a blurred background.

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Explore lifestyle, supplements, and future longevity treatments.

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Scientist examining stem cells under a microscope in a lab.
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© 2026 William H. Light, M.D. All rights reserved. Image credits: Nebula imagery courtesy of NASA; additional photography via Unsplash.