CPK model of the Oxitocin molecule C43H66N12O12S2.

A recent study of oxytocin found that people that were administered more of this hormone exhibited a marked increase in trusting other people. Oxytocin has been considered a hormone related to bonding among humans. According to the experiment, oxytocin facilitates the process of 'prosocial behavior' or bonding by mitigating 'trust obstacles such as betrayal aversion' in humans. It does not necessarily direct a human to bond but removes 'obstacles' to forming relationships. This discovery could be utilized to develop treatments for mental disorders that have anti-social symptomes.

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MindZiper on Wikimedia Commons