To what extent does food sensitivity contribute to headache recurrence?
D004032:Diet; D005512:Food Hypersensitivity / Q000150:complications*; D006261:Headache / Q000209:etiology* / Q000523:psychology; D006801:Humans; D008881:Migraine Disorders / Q000209:etiology; D012008:Recurrence; D012107:Research Design