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Why Is Yawning Contagious? [Video]

Why Is Yawning Contagious? [Video]

  • A deliciously informative video about a curious behavior we all exhibit: yawning. Did you know that socially contagious yawing is decreased when people have ice on their head, because yawning is, in part, needed to cool down the brain? These and other fun facts below:

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