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Last Updated: Aug 29, 2019
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Super Fact of the Day: Yawning cools your brain!
This involuntary behaviour performs the important function of cooling your brain down. When you yawn, the cool inflow of air ventilates the sinuses to facilitate brain cooling.
Would you like to share this interesting fact with family or friends? go ahead and share!
Would you like to share this interesting fact with family or friends? go ahead and share!