Too hot in the lab? – Yawn to cool the brain

This week I was submitting a paper in a quite warm room, which took much longer than I thought. I probably needed some braincooling once in a while and performed some yawning. The function of yawning is to decrease the temperature in the brain!

Research seems to show a cooling effect on the brain with yawning. They looked at pedestrains on the street during different seasons and noticed significant less yawning during winter months compared to summer.

A common thought before was that yawning increased the oxygen in the blood, this is not the case.

gäspning

Is it too hot for the cats?

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