586 | The Science of Hydration, Electrolytes, and Altitude with Dr. Robert

586 | The Science of Hydration, Electrolytes, and Altitude with Dr. Robert

July 3, 2026 · 1h 14m · Episode 586

About this episode

This episode explores the science of hydration and electrolytes, particularly in relation to high-altitude hunting.

What actually happens to our bodies when we sweat? Why do we cramp? And why do you feel hungover at the start of a backcountry hunt at altitude? In this episode, we dive deep into a scientific look at hydration and electrolytes. Driven by a listener question from Max—a Midwest hunter who struggles with the transition to high-altitude mountain hunts—we bring on Dr. Robert, a leading expert in biomedical and nutritional sciences with decades of experience studying environmental medicine for the U.S. Army. Robert isn't just a lab coat; he’s an avid mountaineer, ice climber, and trail runner who has put this science to the test in the field. We break down the foundational physiology of how fluid shifts in the body, the truth behind popular electrolyte marketing, and how to build a practical hydration strategy that works for you. What We Discuss: The Biology of Sweat: Where your body actually pulls water from when you sweat (hint: it's your bloodstream) and how it affects your cardiovascular system. The Marketing vs. Science of Electrolytes: Are high-sodium trend drinks a waste of money? We discuss the role of glucose as a carrier and how the World Health Organization (WHO) oral…

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