Yawning is the reason for the brain's cold

Yawning is the reason for the brain's cold

Yawning is one of the most unpardonable things anyone experiences in their lives; it's interesting to know that research by scientists has proven that the main reason is the yawning of hotting up the brain, which is yawning to cool it, among whom yawning It drains more oxygen into your body, and the oxygen deficit that occurs in the body is offset by this, but if you get too yawn, you should be rang because it can be a sign of danger in the body.