Rhonda Patrick, Ph.D.

And they're

scared about that aging process and they're trying to battle it and slow it.

And so they're like, well, I need to, you know, put stress on any muscles to get the adaptations.

I need to, you know, make sure I'm growing at the least, maintaining muscle mass, you know, building strength.

I need to make sure I'm, you know, keeping my blood flow going and, you know, challenging my lungs and my heart, right, my cardiorespiratory system.

And so...

For them, like you're saying, the gym is kind of like... Checklist.

A checklist.

Exactly.

It's a checklist.

And so, yeah.

So how should those people think about training?

And what types of training should they... I mean, what's their mindset like?

And then translate that to action.

I love, Kelly, how you added leisure time activity in that equation.

You mentioned dancing or whatever it is you like to do.

For me, it's tennis.

Because I've had Dr. Ben Levine.

Have you heard of Ben Levine?

I mean, he's a rock star in the exercise physiology world when it comes to cardiovascular health, right?