Insulin’s role extends beyond blood sugar—it also helps support communication in the brain. Explore what researchers are learning about brain insulin resistance, its connection to memory and cognition, and why metabolic health belongs in the conversation about brain health.

Feeling foggy, wired, or mentally exhausted? Cortisol plays an important role in how your brain responds to stress. Explore the connections among stress, memory, mood, and sleep—and how looking deeper can help you understand your symptoms and build resilience.