The Biology Behind the Milk of Human Kindness
Above all, be thankful for your brain’s supply of oxytocin, the small, celebrated peptide hormone that, by the looks of it, helps lubricate our every prosocial exchange, the thousands of acts of kindness, kind-of kindness and not-as-nakedly-venal-as-I-could-have-been kindness that make human society possible. Scientists have long known that the hormone plays essential physiological roles during birth and lactation, and animal studies have shown that oxytocin can influence behavior too, prompting voles to cuddle up with their mates, for example, or to clean and comfort their pups. Now a raft of new research in humans suggests that oxytocin underlies the twin emotional pillars of civilized life, our capacity to feel empathy and trust.
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