This Simple Health Metric May Be One Of The Most Important For Longevity
Mind Body Green | 05.11.2026 12:24
We spend a lot of time thinking about the health metrics we can track. Steps, sleep scores, heart rate variability, VO2 max, and blood sugar have all become part of the longevity conversation. But there's one number that deserves just as much attention, and you probably only think about it when you're sitting in a doctor's office.
