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Study Suggests Daily Consumption of Olive Oil Reduces Chances of Developing Dementia


A team of nutritionists and medical researchers at the Harvard T.H. Chan School of Public Health has found evidence that daily consumption of olive oil may reduce the chances of developing dementia.

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A key component of the ‘Mediterranean diet’, studies suggest that regular consumption of olive oil is associated with a wide range of health benefits. Examples include reducing the risk of neurodegenerative diseases, preventing non-alcoholic fatty liver disease, reducing inflammation in inflammatory bowel disease, protecting against atherosclerosis, and preventing cancer.

In addition to olive oil, other foods found in the Mediterranean diet include fruit and vegetables in large quantities, whole grains, legumes and nuts, yogurt, moderate amounts of cheese, a maximum of around four eggs per week, with small amounts of meat, fish, and wine.

Arguably the most studied diet of the past seventy years, the Mediterranean diet is based on the eating habits of populations living in countries bordering the Mediterranean Sea, particularly Southern Italy, Spain, and Greece. Compared with people residing in Northern Europe or North America, the population of this region tends to have greater longevity and a lower occurrence of diabetes, cardiovascular disease, cancer, Alzheimer’s disease, and other degenerative diseases.

Discussing the role played by a Mediterranean-style diet in conferring these advantages, a recent paper by researchers from Italy analyzes how its nutrient content can help prevent the onset of such diseases. To learn more, see this article on our website.