Latest / Hart2Heart with Dr. Mike Hart
#207 Mastering Hydration: The Essential Guide to Water, Electrolytes, and Optimal Performance
What if your "healthy" water intake is still quietly hurting your performance?
In this solo episode, Dr. Mike breaks down hydration from a performance-first perspective — how dehydration affects cognition and physical output, why "8 glasses a day" is an oversimplified myth, and how to personalize your intake based on body size, activity level, diet, environment, and medications. He walks through practical guidelines (including 30–35 ml/kg/day), how to use urine + thirst cues without overcomplicating it, and why timing matters (especially around workouts, sauna use, and sleep).
A major focus…
The skinny
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