Magna RX 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 from different proponents, they had the opportunity to punish or reward them, CNRS press release. Result: Individuals who received punished more the perpetrators of unfair offers, proving that it potentiates aggressive responses to provocations. On the other hand, when the offers were generous, the participants awarded a better reward. The "male" hormone would therefore push men to act with discernment! How to repair myelin The work published yesterday, also in the PNAS, was carried out in mice, but it provides further information on and its possible capacity to repair the nerve fibers, more precisely the myelin which sheaths and which allows rapid transmission Information between the brain or spinal cord and the rest of the body. This substance is sometimes destroyed, in patients suffering from multiple sclerosis or after .