A recent study revealed that macronutrients, particularly protein intake during midlife, are linked to enhanced brain function in older age. This underscores the long-term impact of dietary choices on cognitive health and reinforces the importance of a balanced diet throughout the lifespan. How do Macronutrients Affect Brain Health?​ Carbohydrate, fat, and protein play distinct roles in promoting overall brain health.  Carbohydrate is broken down into glucose, which serves as the brain’s primary fuel source. Opting for complex carbs like whole grains, fruits, and vegetables ensures a steady energy supply, supporting optimal cognitive function. Individuals transitioning to a lower-carb diet may…