title: Why research sex differences and similarities?
authors.forename: Janine Austin
authors.initials: JA
authors.lastname: Clayton
authors.forename: Stephanie
authors.initials: S
authors.lastname: Joseph
mesh_terms: D035843:Biomedical Research / Q000639:trends*; D005260:Female; D006801:Humans; D012727:Sex Characteristics; D012737:Sex Factors; D014481:United States; D016387:Women's Health / Q000639:trends*