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 there's no such thing as a sugar rush,

why it took more than 40 years to see NASA's high-resolution images of the moon?

And how dogs use referential signals to communicate with humans.

Let's communicate some curiosity.

The science is clear. There is no such thing as a sugar rush.

Sorry parents but you'll need to find another reason for your kids hyperactivity.

And busting this myth is more important than it seems.

With the average American consuming way more. This myth is more important than it seems.

With the average American consuming way more than the recommended amount of sugar, our

belief that sugar gives us energy could well be a contributing factor to a serious health

risk.

And the science behind this does not come from one small flimsy study.

This is a thorough analysis of 31 studies.

And the conclusion was clear.

While the occasional previous research suggested that a candy bar might boost energy levels,

when the data was combined, researchers found no relationship between sugar and mood. In fact, the authors write that sugary snacks actually make you less alert, not more.

So with all that evidence, why does so many people equate sweet treats with a boost in energy? Dr. Jody Dushe is an endocrinologist at

Harvard's Beth Israel Deaconess Hospital and she suggests that maybe kids are just

happy to be getting candy which they show by being hyper. Another study gave kids

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