Aahh, the Science of Yawning

[BAMAPHIN 22]

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One expert believes he may have discovered why people yawn


Some people think yawning stems from a need to stretch or change. Until recently, scientists thought people yawned to replenish oxygen supplies to their blood.

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[Aussiefinfan54]

my science is that people yawn because they are tired.

[Mike13]

I yawned when I read the thread title.

[PhinzN703]

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One expert believes he may have discovered why people yawn


Some people think yawning stems from a need to stretch or change. Until recently, scientists thought people yawned to replenish oxygen supplies to their blood.

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Well if ya see someone yawn, you yawn (for the most part) right? Say you're stretching as you see someone yawn.

What happens then? :wink: