Neuroscientist and longevity expert Dr. Kay Linker joins me to break down the science of staying young—inside and out. We dive deep into how the brain ages (and how to slow it down), the neuroscience behind exercise, and why Zone 2 training is a game-changer for cognitive health. Dr. Linker explains how your brain detoxes itself, how to avoid glucose spikes and crashes, and what fasting really does for your mind. We also talk hormones, exosomes, and the surprising link between how you look and how you feel. From optimizing nutrition and reducing dementia risk to her sauna and cold plunge routine for longevity, this episode is packed with cutting-edge insight. Plus, we cover the best next-gen skincare, the three pillars for lasting brain health, and which “healthy” trends to skip altogether.

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