Ben GreenfieldFounder, Ben Greenfield Life

Why You Need FAR Less Carbs Than You Think Especially During Exercise & Ketones As An Alternate Fuel

21 Feb 2026 · 0 min

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In this opening monologue, the speaker explains that his initial drive to enter research was fundamentally selfish—he wanted to discover ways to maximize his own health and athletic performance. He reflects that while his personal quest was self‑centered, the insights gained have unexpectedly broader relevance, offering a surreal sense of impact beyond his own goals.

And I have to tell you, this is selfishly, is why I got into research in the first place, is I actually wanted to understand how do I maximize my health, maximize my performance. It just so happened that trying to do that for my own personal inclinations happened to have implications in other areas, which is it's been a kind of a cool, surreal experience. But, yeah, that's. It was always kind of selfish to begin.