The evidence is limited that specific foods help to enhance or protect brain function with aging or prevent Alzheimer’s disease. The evidence is better that leading an overall heart-healthy lifestyle can help. That includes controlling blood pressure and cholesterol, eating a plant-based diet, and getting regular exercise. Two eating plans have been proved to enhance cardiovascular health and could possibly help the brain: the Mediterranean diet and the Dietary Approaches to Stop Hypertension (DASH) diet. A new diet based on these is the Mediterranean–DASH Intervention for Neurodegenerative Delay (MIND) diet. A study found people who ate a MIND diet were less likely to be diagnosed with Alzheimer’s disease, but the findings may be only coincidental and need to be confirmed to justify significant changes in a person’s diet.
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