Dr. Rangan Chatterjee

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It's so interesting, Jenna, the way you've articulated the benefits you got from jujitsu.

It wasn't that, you know, it could easily be, and I'm sure this is part of it, you know, this is something I do for me.

I've always wanted to do it.

And that is true.

And also...

This idea that your nervous system was almost a bit stuck.

How long have you been doing it for now?

About two years.

Tommy Wood has been on the show several times, including just a couple of weeks ago.

And Tommy's this incredible medical doctor who's, you know, works in pediatric neurology and he's got a PhD and he's just...

so knowledgeable and so grounded in the advice that he gives.

And Tommy has been saying for years that he thinks one of the main things that drives a decline in brain function as we get older is that we're not stimulating the brain with new things.

So he's a big fan of us

becoming a beginner again at something, right?

Rather than, yeah, there's nothing wrong with wanting mastery in something and trying to get even better.

But I think for our brains, it's very, very good every few years to try something brand new where we aren't very good.

And then we learn because the brain then has to grow stronger to learn those new things.