Can a Mediterranean Diet Actually Help Protect Against Memory Loss?

According to a study, a Mediterranean diet consisting mainly of olive oil, vegetables and fish could help protect against brain shrinkage and protein build-up and which can result in Alzheimer’s disease.1✅ JOURNAL REFERENCE
DOI: 10.1212/WNL.0000000000012067

Researchers investigated abnormal proteins known as tau and amyloid. Tau is a protein that develops into tangles, and amyloid is a protein that develops into plaques.

Both proteins are found in the brains of Alzheimer’s disease individuals but can also be found in the brains of older individuals who have normal cognition.

The Mediterranean diet consists of high consumption of veggies, fruits, fish, legumes, cereals, and monounsaturated fatty acids like olive oil, and low consumption of meat, dairy products, and saturated fatty acids.

The study indicates that a diet that’s high in veggies, fruit, fish, and unsaturated fats, and low in red meat and dairy could actually protect the brain from the protein build-up that can cause dementia memory and loss.

These study results confirm the existing evidence that demonstrates what you eat could have an influence on memory at a later date.

The study examined 512 individuals in total, of those 343 were regarded as being at greater risk of getting Alzheimer’s disease, and 169 had normal cognition.

Researchers examined how carefully individuals implemented the Mediterranean diet according to their responses to a questionnaire inquiring the amount they consumed of 148 items over the past month.

Individuals who regularly consumed healthy foods that were typical of the Mediterranean diet like fish, fruit, and veggies, and only now and again ate non-typical Mediterranean diet foods like red meat, scored highest with the maximum score of 9.

Cognitive skills were extensively evaluated with an Alzheimer’s disease progression test set that looked at 5 different functions, which included memory, language, and executive function.

Brain scans were administered to all of the individuals for determining brain volume. The spinal fluid of 226 individuals was also tested for amyloid and tau protein biomarkers.

Researchers then examined how meticulously an individual adhered to the Mediterranean diet, as well as the association to cognitive skills, tau and amyloid biomarkers, and brain volume

After adjusting for factors such as sex, age, and education, it was discovered that in the section of the brain most closely connected to Alzheimer’s, every point lower that individuals scored on the Mediterranean diet scale was equivalent to virtually 1 year of brain aging.

When examining amyloid and tau in people’s spinal fluid, individuals who didn’t strictly adhere to the diet had higher biomarker levels of amyloid and tau pathology in comparison to individuals who did.

Individuals who didn’t adhere to the diet meticulously scored worse on a memory test in comparison to individuals who did.

More scientific studies are required to elaborate on exactly how a Mediterranean diet is protecting the brain from protein build-up and brain function loss, but results indicate that individuals could reduce their risk for getting Alzheimer’s by including more components of the Mediterranean diet into their everyday diets.

One study limitation was the fact that the diets of individuals were self-reported in the questionnaire. Individuals might not have been 100% accurate in recalling precisely what and the amount they consumed.

Can A Mediterranean Diet Actually Help Protect Against Memory Loss

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