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Milk vs. water: which drink wins for kids' brainpower?
NCT ID NCT06711926
First seen Jun 24, 2026 · Last updated Jun 24, 2026
Summary
This completed study tested how three different drinks—water, semi-skimmed milk, and whey permeate—affect hydration, thinking, and mood in 13 healthy children aged 9 to 11. Each child tried all three drinks on separate mornings, and researchers measured urine output, blood and breath samples, cognitive tests, and appetite. The goal was to find which beverage keeps kids best hydrated and whether that helps them learn and feel better in school.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Northumbria University
Newcastle upon Tyne, United Kingdom
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Distilled water, semi-skimmed milk, whey permeate
What this could lead to
If it works, this could help schools choose the best drink to keep kids hydrated and focused during class.
What could go wrong
This was a very small study (13 children) and only looked at short-term effects. Results may not apply to all kids or real-world school settings.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.