Magna RX belief, this hormone does not only increase the aggressive and antisocial behavior in humans. The work of French and American researchers indicates that it also promotes attitudes that help maintain or improve its social status. In the journal of the American Academy of Sciences (PNAS), they report an experiment that injected this hormone (or placebo) with young men. "Participants were playing a modified version of the ultimatum game, in which, after accepting or rejecting an offer to share money.