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Nutrients
Volume 13
Issue 6
10.3390/nu13062067
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Review
Peer-Review Record

The Effect of Mediterranean Diet on Cognitive Functions in the Elderly Population

Nutrients 2021, 13(6), 2067; https://doi.org/10.3390/nu13062067
by Blanka Klimova 1,2,*, Michal Novotny 2, Petr Schlegel 3 and Martin Valis 2
Reviewer 1:
Joeri J. Pen
Reviewer 2: Anonymous
Reviewer 3:
Ioannis Zabetakis
Nutrients 2021, 13(6), 2067; https://doi.org/10.3390/nu13062067
Submission received: 2 June 2021 / Revised: 9 June 2021 / Accepted: 15 June 2021 / Published: 16 June 2021
(This article belongs to the Special Issue Mediterranean Diet—New Findings)

Round 1

Reviewer 1 Report

This good & succinct paper shows the beneficial health effects of a meditteranean diet on cognitive function, an often-overlooked feature, as both prevalence and incidence of Alzheimer and vascular dementia increases. I do have the following remarks:

  • The MedDiet also exists in a low-carb form; has any difference with the regular MedDiet ever been demonstrated in this form?
  • Previously, a cognitive function study in Nutrients had compared the MedDiet to the Nordic Diet (Shakersain B, Nutrients, 2018), and the authors should dicuss this.
  • A meta-analysis was not performed, and the authors should discuss why.
  • Line 62: disrecommends.

Author Response

Dear Reviewer,

Please see attached file.

Regards,

Authors

Author Response File: Author Response.pdf

Reviewer 2 Report

In this review article, the authors summarized the findings of eigth original articles showing a positive impact of the mediterranean diet on cognitive decline in the eldelrly.

In general, the article re-states the findings already published and does not add to the existing literature. The authors need to rethink the focus of their article as to elaborate upon what is known.

Author Response

Dear Reviewer,

Please see the attached file.

Regards,

Authors

Author Response File: Author Response.pdf

Reviewer 3 Report

This is a well-written review on the value of Med diet.

There is a typo in fig1 (eligibilty, xx = ?).

The authors have provided 45 references and I would suggest them to include more material in their discussion.

The discussion should be improved and specific reference to ingredients of Med Diet should be mentioned here, like EVOO, marine and dairy.

Currently, there is lot or research linking inflammation and Med Diet and the authors should include this in their discussion.

Suggested references:

https://pubmed.ncbi.nlm.nih.gov/30319088/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7400632/

Happy to review a revised version of the MS.

Author Response

Dear Reviewer,

Please see the attached file.

Regards,

Authors

Author Response File: Author Response.pdf

Round 2

Reviewer 3 Report

The authors have improved the MS.

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