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Aug 4, 2026 kelly tedcastle

Most people know how far they ran or how long they trained. Very few know how much they sweated. Here's why understanding your own hydration needs could be one of...

Jul 16, 2026 kelly tedcastle

Most people know electrolytes have something to do with hydration. Few understand just how important they really are.

May 20, 2026 kelly tedcastle

Most golfers lose their round before they even tee off. The science of hydration and why water alone isn't enough to protect your game over 18 holes.

Apr 22, 2026 kelly tedcastle

Most people think recovery from a sauna is simple-cool down, drink water, feel better. The science says otherwise. This piece goes inside the physiology of heat exposure: why your heart...

Apr 5, 2026 kelly tedcastle

Postural Orthostatic Tachycardia Syndrome (POTS) is having a moment. Not because it’s new, but because people are finally being heard. For years, symptoms like dizziness, fatigue, brain fog, and a...

Apr 5, 2026 kelly tedcastle

Hydration culture has a problem For years, hydration has been sold to us as a moral virtue. Drink more water, feel better, perform better, live better. It’s a simple story—clean,...

Nov 12, 2025 kelly tedcastle

Sodium-Hydration’s backbone. Endurance’s secret. Salt isn’t your enemy—it’s your edge.

Nov 8, 2025 kelly tedcastle

Sodium and Headaches: The Hydration Link You Didn’t Know You Needed We’ve all been there—starting the day with a dull, nagging headache or feeling one creep in mid-afternoon with no...