Episode
065 What Your Doctor Isn't Measuring
- Podcast
- The Health Feast
- Published
- May 26, 2026
- Duration seconds
- 3824
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Summary
You’re doing everything right. But how do you actually know any of it is working? You eat well. You move. Maybe you track your cholesterol, your VO2 max, your labs. But here’s the uncomfortable truth. Almost everything we use to measure health is a proxy. An association. A stand-in for the thing we actually care about. And the thing we actually care about is simple. Can your body still do the things you love? Will it keep doing them as you age? That question is what my guest this week has spent his career answering. Scott Fulton lectures on aging at the University of Delaware and sits on the True Health Initiative Council. In his new book, Function, he builds the framework medicine forgot. Not how to manage disease, but how to measure whether your body can actually do what your life requires of it. In this episode we explore: Why most of what we measure in medicine is a proxy, not a direct answer The five domains of functional health, and the blind spot hiding in the one you ignore Why fitness can coexist with fragility, but function cannot The simple at-home tests that tell you where you really stand How Scott’s wife rebuilt her bone density in 16 months Why doing a little bit every day beats chasing the optimal program Whether you’re in midlife and want to stay ahead of this, or you’re a little older and want to know where you really stand, this episode shows you what’s possible and what to do next. Timestamps 00:00 – Why your health metrics might be lying to you 01:38 – Drowning in hype, starving for truth 04:12 – Proxy vs. direct measure: why the difference matters 07:28 – The problem with the VO2 max obsession 09:52 – The fear underneath every health conversation 11:45 – What an engineering and failure-analysis mind sees that clinicians miss 15:12 – Fitness can co…