title: Letter: Migraine and diet.
mesh_terms: D002099:Cacao; D002986:Clinical Trials as Topic; D004032:Diet / Q000009:adverse effects*; D004569:Electroencephalography; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis / Q000209:etiology*; D010627:Phenethylamines; D010919:Placebos; D014439:Tyramine / Q000009:adverse effects
chemical_list: D010627:Phenethylamines; D010919:Placebos; D014439:Tyramine