I've been thinking a lot this year about fitness and movement and how that's something that's looked and felt different for me at different parts of my life.

For me these days, it looks like a lot of running and a lot of stretching.

And all of that got me thinking about how bodies change over time and what it looks like to get or stay active as we age.

Our bodies are meant to move.

That's my colleague Alison Aubrey.

She's covered health and wellness for many years.

So to start with, I wanted to know how much exercise should people 50 and older be getting?

The official recommendation is to aim for 150 minutes per week of moderate intensity

physical activity, so about, you know, half hour, five times a week. That exercise could look like

walking, running, biking, swimming, or weightlifting. The best exercise is the one you'll actually

do. For Mona Noise, the answer is weightlifting. I recently

dropped by a gym in Baltimore where people in their 60s, 70s, and 80s learn to lift. She works with

the trainer there. It's never too late to build your strength because I'm 86 and I sort of rolled

up on 86 and didn't realize your body begins to do different things as you get older.

A recent study found that women who strength train two to three days a week are more likely to live longer.

There is a longevity boost and a reduced risk of death from heart disease.

Here's my colleague Alison Aubrey again.

So muscle mass peaks in our 20s or 30s, and weight training can really help slow the decline

and fend off what's called sarcopenia, which is basically just a scary sounding medical

term for age-related muscle loss.

So, you know, I have seen this myself.

I'm in my 50s and adding weights, so resistance bands, lifting weights at the gym, it can

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