David PerlmutterPresident,, Perlmutter Health Center · Board-Certified Neurologist | Functional Medicine Pioneer | #1 New York Times Best-Selling Author | International Speaker | Host of The Empowering Neurologist Podcast

Go Deeper Into Brain Defenders

24 Aug 2026 · 1 min

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1:11

In this promotional monologue, Dr. David Perlmutter explains the motivation behind his Brain Defenders Immersion Course, emphasizing the urgency of early brain‑health intervention before symptoms of neurodegenerative disease appear. He highlights common questions he receives—whether Alzheimer’s begins decades before clinical signs, how insulin resistance affects memory, whether lifestyle can offset genetic risk, and how the gut microbiome influences Parkinson’s and Alzheimer’s risk—and promises detailed answers within the course’s video content. The overarching message is that knowledge alone isn’t enough; individuals must act on the roadmap provided to protect their brains.

Chapters

I've spent my career trying to reach people before they're sitting across from me in the office as a neurologist, hearing words that they were never prepared for. I've talked with families who've said, I just wish we had known sooner. And that's what drives me every single day. That's what drove every single page I wrote in this book. But here's what I also want you to know. A roadmap only works if you get on the road. And I've seen this happen just way too many times. Life gets full and the information that could have changed everything never So I created the Brain Defenders Immersion Course with really powerfully informational videos to take your understanding even further. You'll discover questions I get asked most answered in great detail, like if Alzheimer's starts decades before symptoms appear, which it does, what do I do right now? What does insulin resistance actually have to do with memory and the brain? Can lifestyle choices really make a difference even if Alzheimer's runs in my family? What does my gut microbiome have to do with risk for Parkinson's or risk for Alzheimer's? These questions and many more are part of this immersion.