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Mediterranean diet for brain health

brain health

Mediterranean diet improves brain health

What you eat not only affects your physical health but also your brain health. One of the best diets around for your brain is the Mediterranean diet. So why is this diet so good for your thinking?

The Mediterranean diet basics

Essentially this diet is based on consuming lots of fish, fruits, vegetables, cereals and healthy unsaturated fats (mostly olive oil), and lower amounts of dairy, meat and saturated fats. Regular but moderately healthy alcohol consumption is also OK.

Mediterranean diet linked to decreased risk cognitive impairment

The Mediterranean diet has already been linked to a decreased risk of Alzheimer’s disease in healthy individuals.

A study from Columbia University in New York tested whether the Mediterranean diet could benefit people with mild cognitive impairment (MCI). This refers to people who find themselves in the transition stage between normal aging and Alzheimer’s.

The study lasted five years and included:

The researchers found individuals with normal cognitive functions who practiced the Mediterranean diet had a decreased risk of developing mild cognitive impairment. The top third of those who followed the Mediterranean diet closely had a 28% decreased risk of developing MCI and those who were in the middle third still had a 17% lower risk.

Those participants with MCI who followed a Mediterranean diet had a reduced risk of transitioning between MCI and Alzheimer’s. The top third of the participants who followed the Mediterranean diet the best had a 48% reduced risk of developing Alzheimer’s. Those in the middle third of the diet adherence had a 45% reduced risk.

Factors such as sex, age, ethnicity, genetic makeup, caloric intake and education did not affect these findings on brain health.

How the Mediterranean diet impacts brain health

Experts agree the Mediterranean diet may improve cholesterol levels, blood vessel health and blood sugar levels as a whole. It might also reduce inflammation (because it involves a high intake of antioxidants). And each of these factors is linked to various forms of dementia and cognitive impairment.

References

Last reviewed 28/May/2017

 

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