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Now let's head to the show.

Hey, everyone.

Welcome to Dr. Rousha Radio.

This is Dr. Rucho.

I'm here with Dr. Ryan Walsh and Dr. Mikey Nelson.

We are live from Costa Rica, so you're probably going to hear a bunch of noise in the background.

There are some pretty gnarly bugs that just randomly will peg you right in the face. So like the size of small birds.

Yeah, so it might get a little bit choppy here, but we're going to do our best.

And I was prepping for my lecture today while Brian was lecturing,

and you had said some interesting stuff on the importance of optimism, of mindset, of purpose, of friendships on things like all-cause mortality.

And I only caught a couple snippets because I had my head in something else.

But it was enough where I was, you know, impressed and wanted to kind of pull a little bit deeper on that string.

And I know Mike Nelson's also done some similar work, so I thought we could have kind of a roundtable

here on this topic. And Brian, you want to, you know, you just launch us in and we can kind of go

from there.

Sure. I don't know where to start, but for a long time, and I know that you've kind of been

...