Dr. Caroline Leaf Podcast

Brain fog, anxiety, and mental decline are often treated like inevitable parts of aging. But what if that narrative is wrong? In this episode, I’m joined by Harvard-trained physician and NAD expert Dr. Andrew Salzman to explore the science of brain aging—and why your brain’s “fuel supply” matters more than you think.We’ll unpack:✅ Why cognitive decline isn’t inevitable✅ How one molecule (NAD+) drives 500 critical functions✅ Why NAD levels plunge by 50% by midlife—and what that means for brain health✅ The surprising role of CD38 in speeding up aging✅ Practical steps to maintain brain energy, mental clarity, and cellular healthThis conversation is about proactive longevity—not just adding years to life, but life to your years. Whether you’re 25 or 65, your brain needs energy to thrive.