CholestanolCholesterolXanthomatosis, CerebrotendinousXanthomatosisCholesterol, HDLSitosterolsCholesterol, LDLCholestanolsPhytosterolsCholesterol, DietaryCholestanesSterolsDesmosterolLipidsTriglyceridesCholesterol EstersLipoproteinsCholestanetriol 26-MonooxygenaseCholesterol 7-alpha-HydroxylaseJejunoileal BypassCholestenonesLipoproteins, HDLBile Acids and SaltsCholestyramine ResinHypercholesterolemiaCholesterol OxidaseCholesterol, VLDLSqualeneBiliary FistulaApolipoproteinsAnticholesteremic AgentsPhosphatidylcholine-Sterol O-AcyltransferaseLipoproteins, LDLApolipoprotein A-ISteroid HydroxylasesHydroxymethylglutaryl CoA ReductasesArteriosclerosisLiverCholestenesBileHydroxycholesterolsApolipoproteins BLipid MetabolismRisk FactorsHyperlipidemiasDietary FatsCarbon RadioisotopesBrain Diseases, MetabolicCoronary DiseaseBrain DiseasesChromatography, GasCholic AcidEstersIntestinal AbsorptionBody Mass IndexVitamin ECardiovascular DiseasesTendonsSterol O-AcyltransferaseBiological MarkersGas Chromatography-Mass SpectrometryCholestenone 5 alpha-ReductaseTritiumAtherosclerosisLipid Metabolism, Inborn ErrorsChromatography, Thin LayerFastingDietObesitybeta-CyclodextrinsATP Binding Cassette Transporter 1Insulin ResistanceFecesMolecular StructureCross-Over Studies