Our diet has a lot to do with the aging of our brains. And the Mediterranean also stands in it


Undoubtedly, the “Mediterranean diet” does not need new research to support its benefits for our health. But he got one more. One that studies its effects on the aging of our brains.

Slowing down. A new study analyzed the relationship between diet and age-related cognitive decline. Observed by responsible team A positive relationship Between the nutrients we add to the Mediterranean diet and the slow aging of our brains.

looking for blood 100 healthy people aged 65 to 75 years participated in the analysis. Dietary studies have one drawback: we tend to forget what we ate. Whether due to ignorance, embarrassment or general confusion, it is difficult for participants to indicate exactly what they are eating during the study.

In this case there was a solution resort to blood tests. The team took samples from the participants to look for biomarkers that indicate consumption of various nutrients. This way they could guess what these people ate.

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Fatty acids, choline and brain scans. Biomarkers such as fatty acids (associated with, among other foods, olive oil), antioxidants (such as vitamin E, explains the team), carotenoids (such as cis- and translutein, or zeaxanthin), and choline. This last biomarker It is found in various places like egg yolk, offal and soybeans.

When assessing cognitive impairment, the team performs magnetic resonance imaging (MRI) scans in conjunction with the cognitive assessment. They thus distinguished two groups of participants: those with an “accelerated” deterioration and others with less-than-expected deterioration. Each group can be associated with its own “nutrient profile”.

They observed that there were biomarkers associated with slower brain aging that we could associate with the Mediterranean diet. “This is consistent with an extensive body of research demonstrating the positive effects of the Mediterranean diet, which emphasizes foods rich in these beneficial nutrients,” A press release explained Aaron Barbe, co-author of the work. Details of the study have been published in an article in the magazine npj aging.

More than a food allowance. We don’t know if a squirrel could travel around the Iberian Peninsula jumping from study to study supporting the benefits of a “Mediterranean diet”. Nevertheless, the authors of this new study note that there is still work to be done.

One of the limitations of the analysis is that it is a static and not a dynamic analysis. Dynamic analyzes are more useful in identifying cause-effect relationships, such as in clinical trials.

“An important next step involves launching randomized clinical trials,” Bareby added.. And it’s not enough to know that the Mediterranean diet is good for our health;

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Picture | Harris Vo