A Hormone Can Help Keep Men Faithful

When men are given the hormone oxytocin they are more likely to stay away from attractive women they don't know and remain faithful in monogamous relationships, according to a new study published in The Journal of Neuroscience. The hormone oxytocin, which is made in a part of the brain called the hypothalamus, plays a part in prompting childbirth, helps women nurse, and assists the human ability to form social relationships....

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