DuodenoscopyCrohn DiseaseGenetic Predisposition to DiseaseAlzheimer DiseaseGenotypePolymorphism, GeneticAllelesPolymorphism, Single NucleotideAmyloid beta-PeptidesGene FrequencyPedigreeCase-Control StudiesRisk FactorsGerm-Line MutationGenetic TestingDisease SusceptibilityPhenotypeBrainMutationFamily HealthAmyloid beta-Protein PrecursorHaplotypesGenetic MarkersAge of OnsetGenetic LinkageInfarction, Anterior Cerebral ArteryNeurofibrillary TanglesDisease Models, AnimalPlaque, AmyloidNeoplastic Syndromes, HereditaryGene-Environment InteractionPelvimetryGenome-Wide Association StudyCallitrichinaeChromosome MappingApolipoprotein E4HeredityFamilyDNA Mutational AnalysisCohort StudiesHLA-DQ AntigensTwins, MonozygoticGenetic VariationHeterozygoteDiabetes Mellitus, Type 2ObesityCalotropisHungaryPenetranceLinkage DisequilibriumEuropean Continental Ancestry GroupNeurofibrilsHLA-DQ beta-ChainsAge FactorsDementiaMice, TransgenicAmyloid Precursor Protein SecretasesPresenilin-1Genes, BRCA1AgingDiseases in TwinsMicrosatellite RepeatsRiskAmyloidAntineoplastic Agents, PhytogenicIncidenceCognition DisordersCausalityHLA-DRB1 ChainsNeoplasms, Multiple PrimaryHomozygoteNeuropsychological TestsMagnetic Resonance ImagingEnvironmentNeoplasmsMolecular Sequence DataAtrophyAsian Continental Ancestry GroupLod ScoreOdds RatioDementia, VascularInheritance PatternsPolymerase Chain ReactionAutoimmune DiseasesTime FactorsRisk AssessmentPolymorphism, Single-Stranded ConformationalNeoplasms, Second PrimaryMice, Inbred C57BLMice, Inbred StrainsBiological MarkersBreast NeoplasmsApolipoproteins EHypertensionPrevalenceBody Mass IndexBase SequenceHLA AntigensAutoimmunityPregnancy