The study involved nearly 450 older adults divided into three groups. One group ate a Mediterranean diet plus a liter of extra virgin olive oil per week. A second supplemented the Mediterranean diet with 30 grams of nuts per day, including walnuts, hazelnuts and almonds. The remaining participants followed a low-fat diet.
More evidence of benefit
The fat from olive oil and the fat from nuts provide monounsaturated fatty acids, Ms. Zumpano says. We know those help the heart and now there is evidence that they may help the brain as well. Ms. Zumpano says the study provides even more reasons to consider adopting the Mediterranean diet. The diet is proven to have positive health effects, such as lower cholesterol and blood pressure and weight reduction. In general, we are finding that the Mediterranean diet is just the best way to go, she says. Coelias a whole-foods-based diet and high in antioxidants because of its abundance of fresh fruits, vegetables and grains. Complete findings for the study , Mediterranean Diet and Age-Related Cognitive Decline, appears in the journal JAMA Internal Medicine.