What if the missing piece in concussion recovery isn’t just the brain—but blood flow to the brain?

In this episode, I sit down with Dr. Nate Keiser to explore how real-time measurement of brain blood flow is changing the way we understand persistent post-concussion symptoms, dysautonomia, and neurological recovery. Using advanced tools like transcranial Doppler ultrasound and CO₂ monitoring, we break down how the brain regulates circulation—and why that system often fails after injury.

We dive into the role of carbon dioxide as a key driver of blood flow, why breathing patterns matter more than you think, and how subtle dysfunctions in these reflexes can leave patients stuck, despite doing “all the right things.”

If you’ve been struggling with dizziness, fatigue, brain fog, or unexplained crashes after activity, this episode will give you a completely new lens on what may be happening—and what can actually help.

If you’re navigating concussion recovery, dysautonomia, or exercise intolerance, subscribe for part two, share this with someone who feels stuck, and leave a review so more patients can find it. 

Dr. Keiser: website

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My new book The Art of Concussion Recovery: Following the Thread is available as an audiobook, paperback, hardcover, and Kindle on Amazon. 

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The Art of Concussion Recovery - Audiobook Available on Audible and Apple Books, Paperback and Hardcover on Amazon

Concussion Breakthrough: Discover the Missing Pieces of Concussion Recovery is now available on Amazon!

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Medical disclaimer: this video or podcast is for general informational purposes only, and does not constitute the practice of medicine or other ...