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Can you bond without the 'love hormone'? These cuddly rodents show it's possible

Prairie voles mate for life and are frequently used to study human behavior. Todd H. Ahern/Emory University hide caption

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Todd H. Ahern/Emory University

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Can you bond without the 'love hormone'? These cuddly rodents show it's possible

The hormone oxytocin plays a key role in long-term relationships. But a study of prairie voles finds that the animals mate for life even without help from the "love hormone."

Can you bond without the 'love hormone'? These cuddly rodents show it's possible

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