CadmiumCadmium PoisoningEnvironmental ExposureEnvironmental PollutantsLeadSpectrophotometry, AtomicEnvironmental MonitoringCadmium ChlorideCadmium CompoundsEnvironmental HealthCadmium RadioisotopesGene-Environment InteractionCarcinogens, EnvironmentalOccupational ExposureMetals, HeavyAir PollutantsPesticidesMetallothioneinEnvironmentEnvironmental IllnessAir Pollution, IndoorBody BurdenBenzenePolychlorinated BiphenylsZeolitesEpidemiological MonitoringRisk FactorsArsenicDichlorodiphenyl DichloroethyleneMaternal ExposureFood ContaminationEpidemiologic StudiesEndocrine DisruptorsMercuryGenetic Predisposition to DiseaseCase-Control StudiesHazardous SubstancesUnited States Environmental Protection AgencyEnvironmental PollutionPolycyclic Hydrocarbons, AromaticMetalsWater Pollutants, ChemicalMetallurgySoil PollutantsAsthmaInhalation ExposureNew OrleansHousingPrenatal Exposure Delayed EffectsAir PollutionTobacco Smoke PollutionRisk AssessmentGreat Lakes RegionPhytochelatinsSmokingSorbic AcidZincEpigenesis, GeneticPregnancyDisease Susceptibility