Scientific evidence about the benefits of adding olive oil to our diet

4 October, 2022
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Scientific evidence about the benefits of adding olive oil to our diet

Olive oil is a critical component of the Mediterranean diet, which numerous studies have shown to be a heart-healthy diet and to ensure a long life.

Earlier this year, researchers reported in the Journal of the American College of Cardiology that people who ate more than half a tablespoon a day had lower rates of premature death from cardiovascular disease, Alzheimer's disease and other causes than those who never, or rarely, consumed olive oil. .Dr. Frank Hu, lead author of the study and professor of nutrition and epidemiology at Harvard's T.H Chan School of Public Health, in Boston, said: "Olive oil is a hallmark of the Mediterranean diet, and its association with lower mortality is well established in southern European countries. But this is the first A long-term study shows such health benefits here in the United States."

Of all the edible vegetable oils, olive oil has the highest content of monounsaturated fat, which lowers bad cholesterol (LDL) and increases good cholesterol (HDL). It has been shown to lower blood pressure and contains plant compounds that provide anti-inflammatory and antioxidant properties that are known to reduce the disease process, including heart disease.

Studies have shown better health results when using pure olive oil, which contains more plant compounds and antioxidants than other edible oils.

When cooking, olive oil can be a healthy alternative to butter, margarine, and other types of fats. In Hu's study, for example, replacing unhealthy fats with olive oil was associated with a lower risk of death. "Olive oil is a healthy alternative to dietary fats, especially animal fats," Hu said.

Other liquid vegetable oils are also good alternatives. Strong evidence demonstrates the heart-healthy benefits of soybean, canola, corn, safflower, sunflower and other vegetable oils. 


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