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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 Effects of Salt on Cardiovascular Performance

When you sweat a little bit and you drink some water, you kind of absorb it into your blood stream. Your body finds ways to balance that out by either peering out the kidneys or reabsorbing more sodium,. But when we sweat a lot, and we really lose a lot of fluidReally fast, if we, for instance, like for me, if I'm losing 1,800 milligrams of sodium in every liter of sweat, then very, very quickly, not only am I losing that salt more quickly than I can reabsorb it from anywhere, I'm also adding water into the bloodstream, which is diluting it down. So, I end up with a blood

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