| http://www.w3.org/ns/prov#value | - Oxytocin is a brain chemical associated with pair bonding, including mother-infant and male-female bonds, increased paternal involvement with children, and monogamy in certain rodents, according to Kai MacDonald, MD, assistant clinical professor of psychiatry at UCSD. In humans, oxytocin is released during hugging and pleasant physical touch, and plays a part in the human sexual response cycle.
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