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The Benefits Of A Good, Long Yawn03:37
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A new study found that the size of a yawn may be linked to the size of one's brain. (Unsplash)
A new study found that the size of a yawn may be linked to the size of one's brain. (Unsplash)
This article is more than 5 years old.

A new study says that the size of a yawn can be used to predict to the size of one's brain.

Researchers at the State University of New York at Oneonta studied 19 species, including humans, and found yawning to be a stimulant for brain growth.

Here & Now's Jeremy Hobson is joined by Sharon Begley, senior science writer for STAT news, for more on the study.

Guest

Sharon Begley, senior science writer for STAT news. She tweets @sxbegle.

This segment aired on October 5, 2016.

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