title: Depression: disease, reaction, or posture?
mesh_terms: D000275:Adjustment Disorders / Q000209:etiology / Q000266:history; D001714:Bipolar Disorder / Q000266:history; D003142:Communication; D003863:Depression / Q000145:classification / Q000175:diagnosis / Q000209:etiology / Q000266:history; D004194:Disease / Q000266:history; D006117:Grief; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007398:Interpersonal Relations; D008954:Models, Biological; D008960:Models, Psychological; D009497:Neurotic Disorders / Q000266:history; D012649:Self Concept