GlutensGlucose IntoleranceLactose IntoleranceGliadinFructose IntoleranceDiet, Gluten-FreeOrthostatic IntoleranceDermatitis HerpetiformisTriticumTransglutaminasesJejunumFood HypersensitivityGlucose Tolerance TestHLA-DQ AntigensReticulinIntestinal MucosaWheat HypersensitivityLactose Tolerance TestFlourMalabsorption SyndromesBlood GlucoseZea maysAnimal FeedDietary ProteinsInsulinBreadDuodenumInsulin ResistanceProlaminsImmunoglobulin AHypotension, OrthostaticEnzyme TherapyIntestine, SmallLactaseCerebellar AtaxiaDietLactosePostural Orthostatic Tachycardia SyndromeMultiple Chemical SensitivityCardiovascular DeconditioningDiet TherapyExercise ToleranceDigestionBiopsyRenal AminoaciduriasCarbohydrate Metabolism, Inborn ErrorsAvena sativaGlucose