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Contagious yawning: Resistance is futile
CBS News It happened this past week -- a yawning gap in our knowledge filled at last. Humans do it ... chimps do it ... even educated dogs do it. We all do it: We all tend to start yawning when we see, or even hear, someone else yawning. GERMANY-ANIMALS. Why yawning is so contagious, explained Why A Study On Yawning May Lead To A Tourette's Syndrome Treatment Resisting The Urge to Yawn Will Only Make It Worse |
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