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Hey, everybody, it's Mariel.

I've had a realization lately that my body and our bodies, really, are going to change regularly.

That's normal.

This starts on day one of the human experience.

Even for the traits that people think of as fixed, have you ever seen a baby born with one eye color that morphs into something else?

Our hair, our skin, our weight, our muscle mass, the way our voices sound, all of these things and more will change over our lifetimes.

And that's okay.

You're going to look and feel different at 20 than you did at 10,

different at 50 than you did at 40,

different at 80 than you did at 70.

And there's acceptance required here as we age.

We need to do what our bodies are capable of in the given moment

without shaming ourselves that, oh, I can't lift as heavy or run as fast as I

used to. And something remarkable and beautiful is that it's never too late to see the benefits of

movement. Becca Georgie is a professor of physical therapy at the University of South Dakota.

She studies active older adults, specifically adults who participate in the national senior games,

so they'd be 50-year-older.

And she says our bodies never lose the ability to respond to the signals we send when we get moving.

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