Explore the impact of nutrition on brain health in this TEDx talk by Dr. Neal Barnard. Discover how specific foods and dietary choices can potentially influence cognitive function and the risk of Alzheimer's disease. Learn about the roles of saturated fat, iron, copper, and vitamin E in brain health. Examine the concept of MyPlate and its relevance to cognitive wellness. Gain insights from Dr. Barnard's extensive research experience in nutrition, diabetes, and chronic health conditions. Consider the potential benefits of a plant-based diet for brain function, while noting that the talk's dietary claims may lack sufficient scientific evidence for general prescription.