Resting Heart Rate as a Longevity Marker: What’s Normal, What’s Not

Quick Answer A normal resting heart rate (RHR) for most adults falls between 60 and 100 beats per minute, though many clinicians now consider 50–90 bpm a more realistic “healthy at total rest” range, and trained athletes often sit in the 40s.The American Heart Association states the normal resting adult human heart rate is 60–100 […]

The Longevity Paradox: Why Optimizing One Biomarker Can Worsen Another (And How AI Sorts It Out)

There’s a quiet frustration building in the world of preventive medicine — and it lives in the gap between what we measure and what we actually understand. You get your blood work back. Your cholesterol looks great. Your blood pressure is textbook perfect. Your fasting glucose sits in the ideal range. And yet, something isn’t […]