Can You Stand on One Leg?
And Other Seemingly Silly Longevity Tests You Can Do at Home
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.
Posts
Latest from Younger By Monday
New essay every Monday.
The Sea is Calling
The blood marker with mortality risk on par with smoking, the ocean-derived molecule that moves it, and how you can improve yours in three months.
Totally Tubular
A New York Times article on fallopian-tube removal just went viral. It left me with more questions than answers. Here are those answers.
The Buzz About Honey
An anti-inflammatory food that never spoils, the counterfeit crisis diluting its benefits, and why you should choose the darkest jar.
Compounding Interest
An advisory vote just moved six peptides a step closer to legal compounding. What the vote means and what it does not.
In Praise of Spermidine
The awkwardly-named molecule with twenty years of mortality data and the 2026 Oxford trial that put the 'dine' back in spermidine.
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.
Coming Soon
Ready to act on your results?
Longevity doctors, vetted by Younger By Monday. Peptides, hormones, prevention, and performance; clinicians fluent in medicine 3.0. The curated directory is launching soon.
Directory waitlist only; not the same as the Substack newsletter.
Subscribe
Get Younger By Monday in your inbox.
A fresh perspective every Monday about longevity science and how to make it work for you.