Day-to-Day Changes in a Simplified Mediterranean Diet: Implications for Next Day Cognitive Function
2024

Day-to-Day Changes in a Simplified Mediterranean Diet and Cognitive Function

Sample size: 217 publication Evidence: moderate

Author Information

Author(s): Parker Kelly, Hamm Jeremy

Primary Institution: North Dakota State University

Hypothesis

How do day-to-day fluctuations in adherence to a simplified Mediterranean diet influence daily cognitive functioning?

Conclusion

Higher adherence to a simplified Mediterranean diet on one day is associated with better cognitive performance the next day.

Supporting Evidence

  • Participants had faster processing speed after higher adherence to the simplified Mediterranean diet.
  • Greater letter fluency was observed on days following higher adherence to the diet.
  • The study controlled for age, sex, income, education, and race.

Takeaway

Eating more fruits, vegetables, and fish can help your brain work better the next day, even if you only make small changes.

Methodology

Participants completed daily surveys and cognitive tasks over one week to measure adherence to the simplified Mediterranean diet and cognitive function.

Participant Demographics

Average age 54, 65% female.

Statistical Information

P-Value

p < 0.01; p = 0.04

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/geroni/igae098.4152

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