title: Understanding depression: a long-term, recurring disorder.
mesh_terms: D000928:Antidepressive Agents / Q000627:therapeutic use; D003866:Depressive Disorder / Q000175:diagnosis* / Q000188:drug therapy / Q000503:physiopathology; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology; D012008:Recurrence; D012917:Social Adjustment; D016896:Treatment Outcome
chemical_list: D000928:Antidepressive Agents; D018377:Neurotransmitter Agents