The Mediterranean diet -- inspired by the cuisines of Spain, Italy and Greece -- has been named the best overall diet by U.S. News & World Report for the fourth consecutive year. With its focus on fish, healthy fats and unprocessed grains, there's good evidence that sticking to this diet can lead to a longer life. But now, evidence is mounting that the Mediterranean diet may have benefits even beyond life longevity.

“When people think of the Mediterranean diet, they think of a heart-healthy diet,” said Dr. Timothy Harlan, editor-in-chief of Health meets Food: the Culinary Medicine Curriculum. “But really, the Mediterranean diet has been shown to prevent Alzheimer’s disease, macular degeneration and cancer as well.”

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