Carbon FootprintHarm ReductionGreenhouse EffectAir PollutionClimate ChangeConservation of Natural ResourcesWeight LossDiet, ReducingCarbon DioxideProgram EvaluationSubstance Abuse, IntravenousMeditationRisk Reduction BehaviorObesityHealth PromotionHIV InfectionsRisk-TakingWeight Reduction ProgramsRisk FactorsCross-Sectional StudiesTreatment OutcomeProgram DevelopmentPositron-Emission TomographyOtoacoustic Emissions, SpontaneousTomography, Emission-ComputedVehicle EmissionsGovernment ProgramsFluorodeoxyglucose F18RadiopharmaceuticalsTomography, Emission-Computed, Single-PhotonUnited StatesNational Health ProgramsFluorine RadioisotopesSpectrometry, FluorescenceManaged Care ProgramsHealth EducationSoftwareImmunization ProgramsTime FactorsAir PollutantsCurriculumMethaneInternship and ResidencyQuestionnairesCommunity Health ServicesPilot ProjectsMass ScreeningEnvironmental MonitoringMultimodal ImagingTomography, X-Ray ComputedSensitivity and SpecificityAtmosphereAlgorithmsBrainVolatilizationExercise TherapyCost-Benefit AnalysisPentanesReproducibility of ResultsCarbon RadioisotopesSchool Health ServicesPatient Education as TopicModels, TheoreticalHealth Knowledge, Attitudes, PracticeFellowships and Scholarships