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2 stories for“hydration guidelines”

The eight-glasses rule traces to an unreferenced 1945 guess. Here is what evidence-based bodies recommend instead.

Apr 8, 2025

Flying After Diving: Where 12 and 18 Hours Actually Came From

The numbers every diver recites are not arbitrary and they are not a safety margin invented by lawyers. They come from a specific set of chamber trials, and knowing their limits tells you when to wait longer.

Aug 15, 2026

Results

Hydration Facts: How Much Water You Actually Need, and Where 'Eight Glasses' Came From

Flying After Diving: Where 12 and 18 Hours Actually Came From

Results

Hydration Facts: How Much Water You Actually Need, and Where 'Eight Glasses' Came From

Flying After Diving: Where 12 and 18 Hours Actually Came From