Brain Regeneration: How to Grow New Brain Cells!

11 Aug 2025 · 1 min

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Paul Savage MD explains how adult brains can grow new neurons, especially in the hippocampus. Cardiovascular exercise boosts BDNF, a key protein that drives neurogenesis. Hyperbaric oxygen therapy shows promise too.

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So we do the same thing in brain injury medicine as well. When I was in training, we were taught that once you lose neurons, they never come back. They're gone forever. They're super specialized. That has since been proven wrong. Okay, so now we know that you can actually grow new neurons in parts of your brain, like the hippocampus, which is the memory part of the brain. And one of the ways to do that is to. There's a substance in our bodies called bdnf. Brain derived neurotropic factor. And one of the best ways to get BDNF is regular cardiovascular exercise. So, you know, so there's. So to your question about regeneration, there's also some evidence for neuroregeneration with modalities like hyperbaric oxygen therapy.