Uploaded March 2026 | Updated September 2026, 2 weeks ago
Alzheimer's starts 20 years before the diagnosis.
The first sign is reduced blood flow to the hippocampus.
Not memory loss. Not confusion.
Blood flow.
When we scan a brain in early decline, we see it shift from red to blue on imaging. Less flow. Less oxygen. Less function.
Then the folds flatten. Then the volume shrinks.
By the time you get a diagnosis, 30 percent of that brain region is already gone.
The window to act is now.
Full episode on YouTube.
Alzheimer's starts 20 years before the diagnosis.
The first sign is reduced blood flow to the hippocampus.
Not memory loss. Not confusion.
Blood flow.
When we scan a brain in early decline, we see it shift from red to blue on imaging. Less flow. Less oxygen. Less function.
Then the folds flatten. Then the volume shrinks.
By the time you get a diagnosis, 30 percent of that brain region is already gone.
The window to act is now.
Full episode on YouTube.
