Brain DiseasesHeadacheHeadache DisordersTension-Type HeadacheBrainCluster HeadacheVascular HeadachesBrain Diseases, Metabolic, InbornMigraine DisordersMagnetic Resonance ImagingEncephalitisHeadache Disorders, SecondaryMucopolysaccharidosis ILeukoencephalopathiesBrain Diseases, MetabolicBrain ChemistryAlzheimer DiseaseBlood-Brain BarrierNeuronsBrain InjuriesBrain NeoplasmsNeural Stem CellsAstrocytesSchizophreniaBrain MappingDisease Models, AnimalMicrogliaHippocampusImage Processing, Computer-AssistedAgingMental DisordersRats, Sprague-DawleyMice, Inbred C57BLBrain EdemaMigraine without AuraMagnetic Resonance SpectroscopyImmunohistochemistryBrain StemCells, CulturedBiological MarkersBrain IschemiaBrain AbscessSpinal PunctureMigraine with AuraBlood Patch, EpiduralNeurologyAnalgesicsTryptaminesTrigeminal Autonomic CephalalgiasSumatriptanCerebral CortexDura MaterHypoxia, BrainIntracranial HypotensionBrain InfarctionTime FactorsTrigeminal NerveBrain Damage, Chronic