Red Light Therapy: The Long and Short of It
What reaches the eyes, what reaches the tissue, and what reaches a little too far in the advertising.
Editorial archive and longevity guides
Longevity, made useful.
Bringing together evidence, curiosity, and real-world science to make longevity clearer, actionable, and easier to navigate. Weekly essays on the science, supplements, and habits worth your attention, plus at-home assessments to see where you stand.
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Latest from Younger By Monday
New essay every Monday.
Blue Light: Myths and Truths
Blue light has a reputation problem. Only some of it is deserved.
Let the Sunshine In
Why morning sunlight is the single most powerful (and free) longevity intervention you are probably missing.
What’s Your VO2 Max?
V is for volume. O2 is oxygen. Max is maximum. Together, they’re a longevity readout that outranks smoking, diabetes, and hypertension in mortality risk.
Scents and Sensibility
The chemistry behind “old person smell,” why it’s a longevity readout, and how to delay yours.
If It Doesn't Bite, It's Not Working
A 2026 study that follows the throat-tickle all the way to your brain, the polyphenol count that tells you if you have the real thing, and yes, you can cook with it.
Longevity Assessment
How well are you aging?
Two quick assessments. One functional age estimate. The Longevity Assessment combines a lifestyle habits quiz with six at-home fitness tests to find out where your body is thriving and where it needs attention.
- Part 1: Lifestyle Foundation (5 min)
- Part 2: Physical Fitness (15 min)
Free. No account required.
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