A member asked:

I keep holding in my yawns is that.dangerous? i didn't relise i was doingit at first

A doctor has provided 1 answer

Not to worry!: Interestingly, we still don't really know why we yawn. The obvious reason is because we're tired. There is also a theory that it helps to cool the brain when we over use it! holding in a yawn isn't dangerous. Holding in a sneeze is hard on the system because that increases the pressure in the chest.

Answered 5/6/2015

4.1k views

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