Dr. David Eagleman

And this is one of the most important things we can do as citizens in a rapidly changing world.

Yeah, keep your brain active.

Keep it active till the day you die.

Take on new challenges.

And as soon as you get good at something like, you know, Sudoku, drop it and pick up some that you're not good at.

And in simple terms, why?

It's because you're forcing your brain to make changes.

Otherwise, your brain says, okay, I got this.

I got the world.

I understand what's going on.

There's no real particular need for me to change.

And the fact is that the structure of the brain is always degenerating.

And when you get something like a disease, like Alzheimer's disease, it degenerates much faster.

And what you want to always be doing is building new roadways and fashioning new paths that had not been walked before.

Yeah.

Yeah, I think that's a good way to look at it.

Your pathways are falling apart.

And if you can build new pathways, which requires effort, you have to actually care and pursue and do the thing.

Even as parts of the thing have fallen apart, you still have ways of getting from A to B. What do I need to stay away from?

Yeah.