Dr. Dean Sherzai
speaker
485 appearances
1 recordings
1 series
first heard Apr 2026
last heard 9 Apr
Dr. Dean Sherzai’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Apr 2026 with 1.
Appearances
Purpose is a well-defined thing that I'm going towards.
When a life has got that kind of vector, that kind of direction, that kind of power pulling it, and you've organized it well, it is the ultimate in good stress.
Optimized is good stress, and it is critical.
Your brain wants to be charged.
Your brain wants to be creative.
The ultimate byproduct, the ultimate purpose and direction of brain is creativity.
Creativity is central, and creativity means pushing the brain to do new things.
And study after study shows that people who kept their brain active late in life actually grew their brain.
There are some really cool studies, two studies.
One is the Nunn study.
The nun study is several hundred nuns dedicated their body, their brain, their tissue, their blood cells, and their diaries to science.
And after they passed away, their brains were autopsied and analyzed.
And they saw that some of the nuns, they all did pretty much the same thing.
Some of the nuns, despite having significant pathology, lots of shrinkage, lots of little amyloid and tau, as well as a little microvasculature, they were normal during life.
Another group that had very minimal pathology, a pretty full brain, and they had Alzheimer's right before that.
And it wasn't genetics, so what's going on?
Why is this group that has so much pathology yet normal, this group that has minimal pathology and already succumbed to Alzheimer's?
After doing much of their work as far as genetics and study and blood tests and everything else, they looked at their diaries.
The group that had significant pathology yet was protected, their diaries demonstrated incredibly complex language.
They had greater vocabulary.
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