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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...

Nov 8, 2025 kelly tedcastle

Ever hit that wall mid-run even though you’ve been drinking plenty of water? We help breaks down why sodium and electrolytes are the real secret to staying strong from start...

Nov 7, 2025 kelly tedcastle

Sugar and Hydration: Why Your Body Prefers Minerals, Not Glucose Sugar doesn’t always have your best interests at heart. When you are thirsty, your body isn’t asking for sweet drinks—it’s...

Nov 7, 2025 kelly tedcastle

Why Electrolytes Are the Secret Weapon for Tramping and Big Adventures There’s something primal about throwing a pack on your back, lacing up your boots, and heading into the bush....