Lifestyle

Sauna Bathing and Heat Exposure: What the Evidence Actually Shows

Regular sauna use is one of the few lifestyle habits with two decades of cohort data behind it. Here's what the cardiovascular, cognitive, and...
  • Longevity

Cellular Senescence and Senolytics: What the Evidence Actually Shows

Senescent "zombie cells" drive inflammation and tissue decline with age. Here's what the research on fisetin, spermidine, and urolithin A actually shows — and...
  • Longevity

NAD+ and Cellular Energy: What the Evidence Actually Shows

NAD+ is the coenzyme that powers energy production and DNA repair in every cell — and it falls with age. Here is what human...
  • Longevity

Bone Health Beyond Calcium: What the Evidence Actually Shows

A landmark 2026 review of 69 trials and over 150,000 people found calcium and vitamin D alone barely move the needle on fractures. Here's...
  • Longevity