https://www.eurekalert.org/pub_releases/2016-10/m-fbc101116.php
GR - http://www.pathfinder.gr/stories/4605348/ti-symbainei-ston-egkefalo-twn-gynaikon-kata-thn-emmhno-rysh/
#period
origin - http://www.pipiscrew.com/2017/07/female-brains-change-in-sync-with-hormones/ female-brains-change-in-sync-with-hormones