Walnuts vs. white chocolate: which snack sharpens your mind?
NCT ID NCT06223672
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether eating walnuts daily for a week can improve thinking and memory in adults who feel their memory is slipping. Participants will eat either walnuts or a white chocolate bar each day, then switch after a break. Researchers will measure brain function and gut health to see if the type of fat matters.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
walnuts
What this could lead to
If it works, this could point toward a simple dietary change to help maintain thinking skills in people with early memory concerns.
What could go wrong
This is a very small, short-term study (88 people, 1 week per snack). It only looks at immediate effects, not long-term benefits or prevention of dementia.
Disclaimer
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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The Ohio State University
RECRUITINGColumbus, Ohio, 43210, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••