She avoids aggression. Women may have evolved to avoid physical aggression because of the greater dependence of children on their survival, suggests Anne Campbell of Durham University.

她会避免攻击行为。来自杜伦大学的安妮发现，女人之所以会回避攻击行为，源自于自己的存活是子女得以更好生活的保证。

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Understanding oxytocin may help us better understand motherhood, says Anne Campbell, a psychologist at Durham University, in the U.K., who has studied oxytocin and social behavior.

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Mr Cameron hit back, telling MPs that 50 NHS trusts had publicly backed the overhaul, and citing former Labour MP Anne Campbell - now an NHS official - as one of its supporters.

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Radio presenter Nicky Campbell is to move back into television, replacing Anne Robinson as presenter of BBC One's Watchdog.

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