science Recipes

Plain answers on hydration, sweat, and sodium: how much you lose when you sweat, why water alone can leave you short, and when electrolytes actually help.

Tired athlete resting with a glass of water after exercise

Hydration

Why am I still thirsty after drinking water?

Why you can drink water all day and stay thirsty, and the sodium balance that fixes it.

Athlete pausing mid-workout to drink water outdoors

Electrolytes

Water vs electrolytes: when plain water stops being enough

Plain water covers easy days. Past an hour of hard sweat or real heat, sodium matters.

Electrolytes

Do electrolytes need sugar?

Sugar does real work in an oral rehydration solution. For sweat recovery, sodium is what rehydrates you.