researchers believe it isn’t true. It seems to have more to do with brain temperature, empathy, and other factors.While all of this is still being researched, scientists have discovered some reasons why people yawn.
They have also done work to figure out if the reflex is contagious, as it is widely believed to be.This theory could explain when you yawn more when you have a fever.
If your brain is hot and this reflex cools it down, it’s only expected that you yawn more at this time.This seems to occur anytime the brain is too hot, not only when there is a fever present.
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