title: An issue whose time has come.
authors.affiliation: Department of Neurobiology and Behavior, University of California, Irvine, California.
authors.forename: Larry
authors.initials: L
authors.lastname: Cahill
mesh_terms: D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D009488:Neurosciences / Q000639:trends*; D012106:Research; D012727:Sex Characteristics
keywords: Victor Hugo; sex differences; sex influences