Yawning helps keep the brain cool

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Yawning helps keep the brain cool Empty Yawning helps keep the brain cool

Post by Tee on Mon Nov 28, 2011 8:33 pm

ORG XMIT: 129750046 KEENESBURG, CO - Yawning isn't triggered because you're bored, tired or need oxygen. Rather, yawning helps regulate the brain's temperature, according to Gary Hack, of the University of Maryland
Yawning isn't triggered because you're bored, tired or need oxygen. Rather, yawning helps regulate the brain's temperature, according to Gary Hack, of the University of Maryland School of Dentistry, and Andrew Gallup, of Princeton University.

"The brain is exquisitely sensitive to temperature changes and therefore must be protected from overheating," they said in a University of Maryland news release. "Brains, like computers, operate best when they are cool."

http://yourlife.usatoday.com/health/medical/story/2011-11-26/Yawning-may-cool-brain-when-needed/51409498/1

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