Depending on the type of food, you can either get benefits like protection from memory loss, or you may increase your risk for memory loss.

For the following study, the researchers investigated the Mediterranean-like diet and how it relates to cognitive function and biomarkers for Alzheimer's disease (Ballarino T, et al., 2021).

The 512 participants had an average age of 69.5 years. The data were analyzed to see how closely they followed a Mediterranean-type diet. A lot of tests were also run, including analysis of the cerebrospinal fluid in 226 of the participants.

Higher adherence to the Mediterranean type diet was related to a larger medial temporal gray matter volume, a part of the brain associated with memory.

The Mediterranean-type diet was found to be a protective factor against memory decline and medial temporal atrophy. The researchers suggested that this might be explained by a decrease in amyloid and tau-pathology. These pathologies are seen in Alzheimer’s disease.

Reference:

Tommaso Ballarini et.al., Mediterranean Diet, Alzheimer Disease Biomarkers and Brain Atrophy in Old Age, Neurology. 2021 May 5;96(24):e2920-e2932.

 

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