Longevity

Playing the long game. Energy, health, and performance into your 60s and beyond.

longevity Jun 18, 2026

Brain Fog After 40: What Actually Causes It (And How to Clear It)

Brain fog isn't a disease — it's a signal. Here are the real causes of that mental haze in men over 40, which ones to take seriously, and what actually clears it.

longevity Jun 7, 2026

Sleep and Testosterone: The Connection Most Men Over 40 Are Ignoring

If you're training hard and eating right but still feel off, sleep might be killing your testosterone. Here's the science — and a practical fix.