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Monday, September 25, 2017

New York Today: Why Do We Yawn? – New York Times

New York TimesA couple of New York City doctors told us that nobody quite knows. Yawning is an ancient evolutionary behavior, but it’s unclear why we do it, according to Dr. Orrin Devinsky, a professor in the departments of neurology, neurosurgery and psychiatry at … …read more Source:: New York City News By Google News

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