Dr. Matthew Fink, who leads neurology at NewYork-Presbyterian and Weill Cornell Medicine, explains how the MIND diet can support brain health and reduce the risk of dementia. He breaks down the food sources of key nutrients like B vitamins and antioxidants, highlights foods to prioritize—and avoid—and shares how diet, exercise, and sleep work together to protect cognitive function. Dr. Fink emphasizes that small, consistent lifestyle changes can have a powerful impact on long-term brain health.