Dr. Kate Kresge, a licensed naturopathic doctor and head of medical education at Rupa Health, delves into the intersection of nutrition and mental performance for endurance athletes. She highlights the crucial link between specific nutrients, hydration, and cognitive function, debunking myths about quick fixes like stimulants. The discussion emphasizes personalized dietary approaches based on individual needs and gut health, while advocating for the importance of hydration and essential micronutrients in optimizing both mental clarity and overall athletic performance.