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Longevity by Design

Longevity by Design

What Happens to Your Body When You Sit All Day, with Dr. Keith Diaz

Aug 20, 2025 · 1h 5m

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About this episode

In this episode of Longevity by Design, Dr. Gil Blander sits down with Dr. Keith Diaz, Associate Professor of Behavioral Medicine at Columbia University Irving Medical Center, to unpack the hidden health risks of prolonged sitting. Keith explains why even daily exercise isn't enough to counteract the effects of sedentary behavior. Drawing on his lab's findings, he shares a simple but powerful prescription: five minutes of light walking every hour. That small change can lower blood pressure, ...