Majid Fotuhi, M.D., Ph.D.

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370 appearances 1 recordings 1 series first heard Mar 2026 last heard 1 Mar

Majid Fotuhi, M.D., Ph.D.’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Mar 2026 with 1.

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The mindbodygreen Podcast · 639: How to lower your Alzheimer’s risk at any age | Majid Fotuhi, M.D., Ph.D. · 1 Mar 2026 podcast

So hippocampus is the size of your thumb.

You have one on the right, one on the left.

Hippocampus is the ground zero for learning and memory.

If you don't have hippocampus, you can't learn anything new.

The long-term memory is stored on top of the brain in the area called cortex, which also has a lot of malleability and it's important for all your cognitive functions such as reading, writing, typing, doing your taxes, and so forth.

So hippocampus and cortex have a high degree of malleability, but hippocampus particularly can change for better or worse in a short period of time.

So people who have concussion, stress, diabetes, obesity, sedentary lifestyle, over time, shrink their hippocampus.

And in fact, hippocampus shrinks by about 1% per year on average after age 50.

That means, on average, means if you just don't do anything, if you just live old-fashioned way, where you will just slow down with aging.

Now, what I found exciting and what made me put my 12-week program together were all the studies that show 12 weeks of exercise can increase the size of hippocampus.

In one study, they looked at people in their 30s

and put them through an exercise program and a control group that just played football.

So one group did cycling, bigger cycling, another group did football, table football as a control group.

And they saw that every individual

in the arm for cycling increased the volume of hippocampus during that 12 weeks.

So this is what excited me to start my program because I realized that even exercise by itself can grow the hippocampus.

So after I put all the literature together, I decided that there are five pillars of brain health that can grow the size of hippocampus.

And those are exercise, sleep,

nutrition, mindset, and brain training.

Each of these five pillars of brain health can grow the size of a campus substantially.

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