Calcium Metabolism DisordersBrain Diseases, MetabolicLipid Metabolism DisordersBrain DiseasesBrainPhosphorus Metabolism DisordersMetabolic DiseasesIron Metabolism DisordersGlucose Metabolism DisordersCalcium, DietaryCalciumCalcium IsotopesHypocalcemiaBone and BonesParathyroid HormoneHypercalcemiaPhosphorusCalcium SignalingBrain Diseases, Metabolic, InbornCalcitriolParturient ParesisMagnetic Resonance ImagingVitamin DEncephalitisMineralsCalcium RadioisotopesHyperparathyroidismMental DisordersReceptors, Calcium-SensingMucopolysaccharidosis INeuronsIntestinal AbsorptionCalcium ChannelsHydroxycholecalciferolsBrain ChemistrySarcoidosisParathyroid GlandsAlzheimer DiseaseLeukoencephalopathiesOsteomalaciaHypoparathyroidismBlood-Brain BarrierDihydroxycholecalciferols