Hi, we're here from curiosity.com to help you get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hamer.

Today you learn about why starting an exercise routine might give you healthier food cravings

and a set of math problems that you could get a

million dollars for solving. Plus you learn the story of what drove the growth of

astronomy in the Middle Ages in the third installment of our Moon Monday

mini-series.

Let's satisfy some curiosity.

Looking to cut down on your junk food cravings,

a new study says starting an exercise routine

might give you cravings for healthier food.

As reported by Futurity, researchers looked at more than 2,600

young adults who had no regular exercise or diet routine. And after exercising for several weeks,

participants were more likely to choose foods like fruits, vegetables, and lean

meats, and their cravings for sodas, fried foods, and other unhealthy options decreased.

The researchers in this study actually told participants to not change their diets in any major way, but they did anyway.

This study didn't look specifically at why this happened, but previous research has shown that moderate exercise can change dopamine levels in a way that makes people crave

high-fat foods less.

There's been other research showing a relationship between exercise intensity and the amount

of appetite regulating hormones in the body.

This study included people between the ages of 18 and 35,

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