A dog's life: study reveals people's hormonal link with tail-waggers

April 16, 2015 6:43 PM

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WASHINGTON (Reuters) - Dogs are called "man's best friend" - women's, too - and scientists say the bond between people and their pooches may be deeper than you might think.

Researchers in Japan said on Thursday oxytocin, a hormone that among other things helps reinforce bonds between parents and their babies, increases in humans and their dogs when they interact, particularly when looking into one another's eyes.

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