Mass SpectrometryBody Mass IndexSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometrySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationRisk FactorsQuestionnairesCross-Sectional StudiesPrevalenceMass ScreeningGreat BritainHealthy People ProgramsObesitySex FactorsMolecular Sequence DataChromatography, LiquidTime FactorsHealth Services for the AgedGeriatric AssessmentSocioeconomic FactorsEnglandAgingUnited StatesAmino Acid SequenceChinaBody CompositionCohort StudiesActivities of Daily LivingChromatography, High Pressure LiquidAccidental FallsHealth Knowledge, Attitudes, PracticeProspective StudiesInterviews as TopicSpectrometry, Mass, Secondary IonAge DistributionDisabled PersonsRegression AnalysisAttitude to HealthBody WeightAustraliaProteomicsFrail ElderlyFollow-Up StudiesHealth StatusIncidenceQuality of LifeLongitudinal StudiesSex DistributionRural PopulationHealth SurveysMass MediaDementiaTreatment OutcomeOceanic Ancestry GroupExerciseGas Chromatography-Mass SpectrometryResidence CharacteristicsHomes for the AgedHealth Services AccessibilityPatient Acceptance of Health CareCase-Control StudiesHIV InfectionsLogistic ModelsRisk AssessmentMental DisordersChronic DiseasePrejudiceStereotypingSensitivity and SpecificitySmokingQualitative ResearchSpectrometry, Mass, Fast Atom BombardmentAnalysis of VarianceMolecular WeightInstitutionalizationLondonCommunity Health ServicesAnthropometryDiabetes Mellitus, Type 2Diabetes MellitusPostural BalanceLinear ModelsHealth Services Needs and DemandPilot ProjectsRetrospective StudiesCanadaResidential FacilitiesFocus GroupsWalkingIndians, North AmericanHealth BehaviorLife StyleSeverity of Illness IndexCultureDietJapanMagnetic Resonance ImagingUrban PopulationMass Casualty IncidentsSocial Stigma