title: When does depression become a mental disorder?
abstract: How can we differentiate a depressive disorder from 'normal' sadness? This editorial summarises three approaches: the first emphasises the context in which depressive symptoms occur; the second postulates a qualitative difference between the two conditions; and the third argues that the distinction should be based on pragmatic grounds.
authors.forename: Mario
authors.initials: M
authors.lastname: Maj
mesh_terms: D003863:Depression / Q000175:diagnosis / Q000473:pathology*; D003866:Depressive Disorder / Q000175:diagnosis*; D039721:Diagnostic and Statistical Manual of Mental Disorders; D018450:Disease Progression; D006801:Humans