Scientists Found That Niceness is in Your DNA

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Many times, two siblings raised by the same parents, and subject to similar environmental influences, can turn out to be polar opposites: one kind and generous, the other mean-spirited. A new study reveals that the latter might simply have been dealt the wrong hormone receptor genes.Oxytocin and vasopressin, two hormones that inspire feelings of love and generosity when they flood our brains, bind to neurons by attaching to molecules called receptors, which can come in different forms. more...