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The Truth Behind Yawning

Is yawning contagious? A trip around the world proves yes. And it’s not just humans who can catch yawns. Animals can too. Comedian prankster Roman Atwood and Psychology Professor Andrew Gallup have the answers.

The Truth Behind Yawning

Is yawning contagious? A trip around the world proves yes. And it’s not just humans who can catch yawns. Animals can too. Comedian prankster Roman Atwood and Psychology Professor Andrew Gallup have the answers.

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