Hydration and Health

Status: public · Confidence: medium (0.83) · Basis: verified_sources

## TL;DR

Hydration is about total water balance, not a single universal glass-count rule. This article now cites dietary-reference, public-health, and clinical reference sources and removes unsupported tap-versus-bottled and thirst claims.

## Core Explanation

Reliable hydration guidance distinguishes population-level adequate intake estimates from individual needs. Water comes from beverages and food, supports basic body functions, and dehydration is a clinically recognized water-balance problem when losses exceed intake.

## Further Reading

- [Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate](https://nap.nationalacademies.org/catalog/10925/dietary-reference-intakes-for-water-potassium-sodium-chloride-and-sulfate)
- [About Water and Healthier Drinks](https://www.cdc.gov/healthy-weight-growth/water-healthy-drinks/index.html)
- [Dehydration](https://www.merckmanuals.com/home/kidney-and-urinary-tract-disorders/water-balance/dehydration)

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