Health LibraryPrevention & WellnessHydration: Beyond the 8-Glasses Rule
Prevention & Wellness

Hydration: Beyond the 8-Glasses Rule

How much water you actually need depends on you.

Medically reviewed
Updated 2026

Individual variation

Body size, activity, climate, and diet all shift your needs. Urine colour (pale straw) is a reasonable check.

When to be careful

Some medical conditions require fluid restriction — always follow your doctor's advice if you have heart or kidney disease.

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Educational content only

Milli's Health Library provides general educational information reviewed against peer-reviewed medical sources. It is not a diagnosis, prescription, or medical advice. Milli does not recommend medications. Always consult a licensed doctor before starting, stopping or changing any treatment.

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