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234: Expert Edition: 'Hydration Science'. Andy Blow: Sports Scientist, Precision Hydration Co-Founder

The Physical Performance Show

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The Importance of Hydration in Heat Illness

"He just got to this point where he's like boiling over, feeling fatigued and dizzy and weak," says Andy. "So, you know, and I felt like that in hot races." Dehydration is not the only factor; blood volume is hugely impactful on the ability to cool because you can sweat more when your blood volumes high,. You can pump more blood to the surface of the skin to dissipate heat.

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