Mediterranean diet

More support for heart-healthy benefits of Mediterranean diet

A very large Italian study provides more evidence that the Mediterranean diet reduces inflammation, with their finding that those with a greater adherence to such a diet had significantly lower levels of platelets and white blood cells. These are both inflammatory markers: high platelet counts are associated with both vascular disease and non-vascular conditions such as cancer, and a high white blood cell count is a predictor of ischemic vascular disease.

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Type of fat, not amount of fat, linked to cognitive decline in old age

June, 2012

A large four-year study of older women has found high amounts of saturated fat were associated with greater cognitive decline, while higher amounts of monounsaturated fat were associated with better performance.

Data from the Women's Health Study, involving 6,183 older women (65+), has found that it isn’t the amount of fat but the type of fat that is associated with cognitive decline. The women were given three cognitive function tests at two-yearly intervals, and filled out very detailed food frequency surveys at the beginning of the study.

Women who consumed the highest amounts of saturated fat (such as that from animals) had significantly poorer cognitive function compared to those who consumed the lowest amounts. Women who instead had a high intake of monounsaturated fats (such as olive oil) had better cognitive scores over time. Total fat, polyunsaturated fat, and trans fat, were not associated with cognitive performance.

The findings are consistent with research associating the Mediterranean diet (high in olive oil) with lower Alzheimer’s risk, and studies linking diets high in saturated fats with greater cognitive decline.

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Mediterranean diet may lower risk of brain damage

February, 2010

Seniors who were most closely following a Mediterranean-like diet were 36% less likely to have brain infarcts than those least following the diet.

Following on from studies showing that a Mediterranean-like diet may be associated with a lower risk of Alzheimer's disease and may lengthen survival in people with Alzheimer's, a six-year study of 712 New Yorkers has revealed that those who were most closely following a Mediterranean-like diet were 36% less likely to have brain infarcts (small areas of dead tissue linked to thinking problems), compared to those who were least following the diet. Those moderately following the diet were 21% less likely to have brain damage. The association was comparable to the effects of high blood pressure — that is, not eating a Mediterranean-like diet was like having high blood pressure. The Mediterranean diet includes high intake of vegetables, legumes, fruits, cereals, fish and monounsaturated fatty acids such as olive oil; low intake of saturated fatty acids, dairy products, meat and poultry; and mild to moderate amounts of alcohol.

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The study will be presented at the American Academy of Neurology's 62nd Annual Meeting in Toronto April 10 to April 17, 2010.

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