title: What is migraine?
mesh_terms: D015984:Causality; D002986:Clinical Trials as Topic; D006801:Humans; D008881:Migraine Disorders / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*; D011379:Prognosis; D012064:Relaxation Therapy; D014363:Tryptamines / Q000627:therapeutic use
chemical_list: D014363:Tryptamines