Longevity
Cold Exposure: What Survives Scrutiny
Ice baths have collected an extraordinary set of claims over the last decade. A few of them hold up. One of them is the opposite of what most people believe.
Longevity
Heat, cold, exercise and the widening gap between mouse data and human data.
Articles filed under Longevity
Longevity
Sauna Frequency and Mortality: Reading the Finnish Cohort Carefully
The most-cited longevity finding in the wellness world comes from one observational cohort in eastern Finland. It is good data. It is also being asked to prove more than observational data can.
Longevity
VO2 Max Is the Longevity Metric That Matters Most
Among the numbers you can measure and change, cardiorespiratory fitness has an association with mortality that dwarfs most of what gets tracked instead.
Longevity
Biological Age Tests: Expensive Noise or Useful Signal?
You spit in a tube and receive a number telling you your body is 34 while your passport says 41. The underlying science is serious. The consumer product mostly is not.
Longevity
Rapamycin, Metformin, and the Gap Between Mice and Us
Two drugs dominate the longevity conversation. The animal data behind one is genuinely impressive. Neither has shown a lifespan effect in a human being.
Longevity
Breathwork Beyond the Hype: What Slow Breathing Does to HRV
Strip away the branding and there is a specific, measurable, well-characterised physiological effect at roughly six breaths per minute.