title: The ancient roots of modern melancholy. Did depression help our ancestors survive?
authors.forename: J
authors.initials: J
authors.lastname: Fischman
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology; D000223:Adaptation, Psychological / Q000502:physiology; D000328:Adult; D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D003866:Depressive Disorder / Q000503:physiopathology / Q000523:psychology*; D000882:Haplorhini / Q000523:psychology; D006801:Humans