2025
Rapid climate action is needed: comparing heat vs. COVID-19-related mortality
Batibeniz F, Seneviratne S, Jha S, Ribeiro A, Suarez Gutierrez L, Raible C, Malhotra A, Armstrong B, Bell M, Lavigne E, Gasparrini A, Guo Y, Hashizume M, Masselot P, da Silva S, Royé D, Sera F, Tong S, Urban A, Vicedo-Cabrera A. Rapid climate action is needed: comparing heat vs. COVID-19-related mortality. Scientific Reports 2025, 15: 1002. PMID: 39762298, PMCID: PMC11704295, DOI: 10.1038/s41598-024-82788-8.Peer-Reviewed Original Research
2024
Temperature, violent crime, climate change, and vulnerability factors in 44 United States cities
Heo S, Choi H, Berman J, Bell M. Temperature, violent crime, climate change, and vulnerability factors in 44 United States cities. Environment International 2024, 195: 109246. PMID: 39742829, PMCID: PMC11786129, DOI: 10.1016/j.envint.2024.109246.Peer-Reviewed Original ResearchConceptsViolent crimeAssociated with violent crimeHigh crime ratesUnited States citiesClimate change strategiesCrime ratesCrimeHousing unitsStates citiesCity-levelUS statesViolenceUrban greenspaceCityClimate changeChange strategiesEnvironmental characteristicsComplex impactPsychological theoriesTemperature anomaliesVulnerability factorsProgram dataDaily temperature anomaliesHistorical temperature recordsGreenspaceDelineating Urbanicity and Rurality: Impact on Environmental Exposure Assessment
Song Y, Deziel N, Bell M. Delineating Urbanicity and Rurality: Impact on Environmental Exposure Assessment. Environmental Science And Technology 2024, 58: 19178-19188. PMID: 39412270, PMCID: PMC11627196, DOI: 10.1021/acs.est.4c06942.Peer-Reviewed Original ResearchConceptsEnvironmental exposuresEnvironmental exposure assessmentExposure of particulate matterUrban/rural disparitiesDemographic compositionHealth StudyHealth researchPopulation-basedClassification systemExposure assessmentSpatial patternsHealth impactsRural areasHealthRuralParticulate matterLand surface temperatureWest VirginiaUnited StatesSurface temperatureUrbanizationResearch questionsAssessmentDisparitiesExposure
2023
Joint effect of heat and air pollution on mortality in 620 cities of 36 countries
Stafoggia M, Michelozzi P, Schneider A, Armstrong B, Scortichini M, Rai M, Achilleos S, Alahmad B, Analitis A, Åström C, Bell M, Calleja N, Carlsen H, Carrasco G, Cauchi J, Coelho M, Correa P, Diaz M, Entezari A, Forsberg B, Garland R, Guo Y, Guo Y, Hashizume M, Holobaca I, Íñiguez C, Jaakkola J, Kan H, Katsouyanni K, Kim H, Kyselý J, Lavigne E, Lee W, Li S, Maasikmets M, Madureira J, Mayvaneh F, Ng C, Nunes B, Orru H, Ortega N, Osorio S, Palomares A, Pan S, Pascal M, Ragettli M, Rao S, Raz R, Roye D, Ryti N, Saldiva P, Samoli E, Schwartz J, Scovronick N, Sera F, Tobias A, Tong S, Valencia C, Vicedo-Cabrera A, Urban A, Gasparrini A, Breitner S, Donato F. Joint effect of heat and air pollution on mortality in 620 cities of 36 countries. Environment International 2023, 181: 108258. PMID: 37837748, PMCID: PMC10702017, DOI: 10.1016/j.envint.2023.108258.Peer-Reviewed Original ResearchConceptsAmbient air pollutionAir pollutionDaily O<sub>3</sub> concentrations, dDaily PM<sub>10</sub>Over-dispersed Poisson regression modelCity-specific dataNOParticulate matterAir temperaturePollutionNitrogen dioxideDaily mortalityMortality incrementWarmer monthsEvidence of effect modificationGlobal datasetEffect modification resultsMortality estimatesMultilevel random-effects meta-analysisRandom-effects meta-analysisPoisson regression modelsMean temperatureJoint associationsDaily air temperatureEffect modificationShort-Term Association between Sulfur Dioxide and Mortality: A Multicountry Analysis in 399 Cities
O’Brien E, Masselot P, Sera F, Roye D, Breitner S, Ng C, de Sousa Zanotti Stagliorio Coelho M, Madureira J, Tobias A, Vicedo-Cabrera A, Bell M, Lavigne E, Kan H, Gasparrini A, Network M. Short-Term Association between Sulfur Dioxide and Mortality: A Multicountry Analysis in 399 Cities. Environmental Health Perspectives 2023, 131: 037002. PMID: 36883823, PMCID: PMC9994178, DOI: 10.1289/ehp11112.Peer-Reviewed Original ResearchConceptsExposure-response relationshipRelative riskShort-term associationsShort-term exposureRR of mortalitySteeper exposure-response relationshipsBi-pollutant modelsIndependent mortality riskSubstantial excess mortalityWorld Health Organization (WHO) guideline limitsSignificant positive associationEpidemiological evidenceExcess mortalityMortality riskAdvanced study designsExcess deathsMortality fractionsSecondary analysisStudy designMortalityStudy periodExposure levelsPotential roleDaily concentrationsDaily mortalityHeat-related cardiorespiratory mortality: Effect modification by air pollution across 482 cities from 24 countries
Rai M, Stafoggia M, de'Donato F, Scortichini M, Zafeiratou S, Vazquez Fernandez L, Zhang S, Katsouyanni K, Samoli E, Rao S, Lavigne E, Guo Y, Kan H, Osorio S, Kyselý J, Urban A, Orru H, Maasikmets M, Jaakkola J, Ryti N, Pascal M, Hashizume M, Fook Sheng Ng C, Alahmad B, Hurtado Diaz M, De la Cruz Valencia C, Nunes B, Madureira J, Scovronick N, Garland R, Kim H, Lee W, Tobias A, Íñiguez C, Forsberg B, Åström C, Maria Vicedo-Cabrera A, Ragettli M, Leon Guo Y, Pan S, Li S, Gasparrini A, Sera F, Masselot P, Schwartz J, Zanobetti A, Bell M, Schneider A, Breitner S. Heat-related cardiorespiratory mortality: Effect modification by air pollution across 482 cities from 24 countries. Environment International 2023, 174: 107825. PMID: 36934570, DOI: 10.1016/j.envint.2023.107825.Peer-Reviewed Original ResearchConceptsAir pollutionRespiratory mortalityWHO air quality guidelinesElevated levels of air pollutionLevels of air pollutionAir quality guidelinesAmbient air pollutionLevel of pollutionCause-specific mortalityCardiovascular mortalityQuality guidelinesDaily death countsPollutant concentrationsCardiorespiratory mortalityPotential interactive effectsPollutionMitigation measuresPromote sustainable developmentMeta-analytic modelEffect modificationInteractive effects of heatSummer temperaturesSummer monthsExposure dataDeath counts
2022
Effect modification of greenness on the association between heat and mortality: A multi-city multi-country study
Choi H, Lee W, Roye D, Heo S, Urban A, Entezari A, Vicedo-Cabrera A, Zanobetti A, Gasparrini A, Analitis A, Tobias A, Armstrong B, Forsberg B, Íñiguez C, Åström C, Indermitte E, Lavigne E, Mayvaneh F, Acquaotta F, Sera F, Orru H, Kim H, Kyselý J, Madueira J, Schwartz J, Jaakkola J, Katsouyanni K, Diaz M, Ragettli M, Pascal M, Ryti N, Scovronick N, Osorio S, Tong S, Seposo X, Guo Y, Guo Y, Bell M. Effect modification of greenness on the association between heat and mortality: A multi-city multi-country study. EBioMedicine 2022, 84: 104251. PMID: 36088684, PMCID: PMC9471476, DOI: 10.1016/j.ebiom.2022.104251.Peer-Reviewed Original ResearchHourly Air Pollutants and Acute Coronary Syndrome Onset in 1.29 Million Patients
Chen R, Jiang Y, Hu J, Chen H, Li H, Meng X, Ji J, Gao Y, Wang W, Liu C, Fang W, Yan H, Chen J, Wang W, Xiang D, Su X, Yu B, Wang Y, Xu Y, Wang L, Li C, Chen Y, Bell M, Cohen A, Ge J, Huo Y, Kan H. Hourly Air Pollutants and Acute Coronary Syndrome Onset in 1.29 Million Patients. Circulation 2022, 145: 1749-1760. PMID: 35450432, DOI: 10.1161/circulationaha.121.057179.Peer-Reviewed Original ResearchConceptsAir pollutionParticulate matterAir pollutants PM<sub>2.5</sub>, PConcentrations of PM<sub>2.5</sub>Short-term exposure to ambient air pollutionWorld Health Organization air quality guidelinesHourly concentrations of fine particulate matterConcentrations of fine particulate matterExposure to ambient air pollutionAir quality guidelinesCoarse particulate matterFine particulate matterCriteria air pollutantsAmbient air pollutionHourly air pollutionInterquartile range increaseQuality guidelinesHourly concentrationsAcute coronary syndromeCase-crossover studySORange increaseNitrogen dioxidePollutionSulfur dioxide
2019
Suicide and Ambient Temperature: A Multi-Country Multi-City Study
Kim Y, Kim H, Gasparrini A, Armstrong B, Honda Y, Chung Y, Ng CFS, Tobias A, Íñiguez C, Lavigne E, Sera F, Vicedo-Cabrera AM, Ragettli MS, Scovronick N, Acquaotta F, Chen BY, Guo YL, Seposo X, Dang TN, de Sousa Zanotti Stagliorio Coelho M, Saldiva PHN, Kosheleva A, Zanobetti A, Schwartz J, Bell ML, Hashizume M. Suicide and Ambient Temperature: A Multi-Country Multi-City Study. Environmental Health Perspectives 2019, 127: 117007. PMID: 31769300, PMCID: PMC6927501, DOI: 10.1289/ehp4898.Peer-Reviewed Original ResearchThe Role of Humidity in Associations of High Temperature with Mortality: A Multiauthor, Multicity Study
Armstrong B, Sera F, Vicedo-Cabrera AM, Abrutzky R, Åström DO, Bell ML, Chen BY, de Sousa Zanotti Stagliorio Coelho M, Correa PM, Dang TN, Diaz MH, Dung DV, Forsberg B, Goodman P, Guo YL, Guo Y, Hashizume M, Honda Y, Indermitte E, Íñiguez C, Kan H, Kim H, Kyselý J, Lavigne E, Michelozzi P, Orru H, Ortega NV, Pascal M, Ragettli MS, Saldiva PHN, Schwartz J, Scortichini M, Seposo X, Tobias A, Tong S, Urban A, De la Cruz Valencia C, Zanobetti A, Zeka A, Gasparrini A. The Role of Humidity in Associations of High Temperature with Mortality: A Multiauthor, Multicity Study. Environmental Health Perspectives 2019, 127: 097007. PMID: 31553655, PMCID: PMC6792461, DOI: 10.1289/ehp5430.Peer-Reviewed Original ResearchA land use regression model of nitrogen dioxide and fine particulate matter in a complex urban core in Lanzhou, China
Jin L, Berman JD, Warren JL, Levy JI, Thurston G, Zhang Y, Xu X, Wang S, Zhang Y, Bell ML. A land use regression model of nitrogen dioxide and fine particulate matter in a complex urban core in Lanzhou, China. Environmental Research 2019, 177: 108597. PMID: 31401375, DOI: 10.1016/j.envres.2019.108597.Peer-Reviewed Original ResearchConceptsHigh-rise buildingsVertical variationVertical concentration gradientsLUR modelsVertical profile measurementsHigh spatial resolutionGround levelGround-level NOProfile measurementsOgawa badgesLanzhou urban areaConcentration heterogeneitySpatial resolutionRoad networkConcentration gradientBuildingsAverage seasonal concentrationsParticulate matterHigh densityGovernment monitorsLand coverLand use regression modelsSpatial variationSubstantial spatial variationVariation function
2017
Associations between mortality and prolonged exposure to elevated particulate matter concentrations in East Asia
Kim SE, Bell ML, Hashizume M, Honda Y, Kan H, Kim H. Associations between mortality and prolonged exposure to elevated particulate matter concentrations in East Asia. Environment International 2017, 110: 88-94. PMID: 29097051, DOI: 10.1016/j.envint.2017.10.010.Peer-Reviewed Original ResearchMortality burden of diurnal temperature range and its temporal changes: A multi-country study
Lee W, Bell ML, Gasparrini A, Armstrong BG, Sera F, Hwang S, Lavigne E, Zanobetti A, Coelho MSZS, Saldiva PHN, Osorio S, Tobias A, Zeka A, Goodman PG, Forsberg B, Rocklöv J, Hashizume M, Honda Y, Guo YL, Seposo X, Van Dung D, Dang TN, Tong S, Guo Y, Kim H. Mortality burden of diurnal temperature range and its temporal changes: A multi-country study. Environment International 2017, 110: 123-130. PMID: 29089167, DOI: 10.1016/j.envint.2017.10.018.Peer-Reviewed Original ResearchDoes a lag-structure of temperature confound air pollution-lag-response relation? Simulation and application in 7 major cities, Korea (1998–2013)
Kim H, Bell ML, Lee JT. Does a lag-structure of temperature confound air pollution-lag-response relation? Simulation and application in 7 major cities, Korea (1998–2013). Environmental Research 2017, 159: 531-538. PMID: 28888197, DOI: 10.1016/j.envres.2017.08.047.Peer-Reviewed Original ResearchIs ambient temperature associated with risk of infant mortality? A multi-city study in Korea
Son JY, Lee JT, Bell ML. Is ambient temperature associated with risk of infant mortality? A multi-city study in Korea. Environmental Research 2017, 158: 748-752. PMID: 28750343, DOI: 10.1016/j.envres.2017.07.034.Peer-Reviewed Original ResearchConceptsOverall hazard ratioHazard ratioInfant mortalityExtended Cox proportional hazardsRisk of mortalityCox proportional hazardsCause of deathCause deathTime-dependent covariatesMaternal characteristicsStratified analysisTotal deathsMother's ageBirth cohortDeath recordsProportional hazardsMortalityDeathPositive associationRiskExposure periodMonthsBirthAgeLimited studiesTemporal Changes in Mortality Related to Extreme Temperatures for 15 Cities in Northeast Asia: Adaptation to Heat and Maladaptation to Cold
Chung Y, Noh H, Honda Y, Hashizume M, Bell ML, Guo YL, Kim H. Temporal Changes in Mortality Related to Extreme Temperatures for 15 Cities in Northeast Asia: Adaptation to Heat and Maladaptation to Cold. American Journal Of Epidemiology 2017, 185: 907-913. PMID: 28444109, PMCID: PMC5860040, DOI: 10.1093/aje/kww199.Peer-Reviewed Original ResearchModeling the intraurban variation in nitrogen dioxide in urban areas in Kathmandu Valley, Nepal
Gurung A, Levy JI, Bell ML. Modeling the intraurban variation in nitrogen dioxide in urban areas in Kathmandu Valley, Nepal. Environmental Research 2017, 155: 42-48. PMID: 28189072, DOI: 10.1016/j.envres.2017.01.038.Peer-Reviewed Original Research
2015
Does urban land-use increase risk of asthma symptoms?
Son JY, Kim H, Bell ML. Does urban land-use increase risk of asthma symptoms? Environmental Research 2015, 142: 309-318. PMID: 26188632, DOI: 10.1016/j.envres.2015.06.042.Peer-Reviewed Original ResearchThe impact of temperature on mortality in a subtropical city: effects of cold, heat, and heat waves in São Paulo, Brazil
Son JY, Gouveia N, Bravo MA, de Freitas CU, Bell ML. The impact of temperature on mortality in a subtropical city: effects of cold, heat, and heat waves in São Paulo, Brazil. International Journal Of Biometeorology 2015, 60: 113-121. PMID: 25972308, PMCID: PMC4644507, DOI: 10.1007/s00484-015-1009-7.Peer-Reviewed Original ResearchConceptsRespiratory mortalityNon-hospital deathsHigher mortality riskCause of deathCardiovascular mortalityStratified analysisMortality riskCold effectsTotal mortalityOlder personsMortalityPercentile of temperatureRiskSão PauloDeathNon-heat wave daysPercentileCold-related mortalitySubtropical cityOverall effectGeneralized linear modelingEconomic status and temperature-related mortality in Asia
Lim YH, Bell ML, Kan H, Honda Y, Guo YL, Kim H. Economic status and temperature-related mortality in Asia. International Journal Of Biometeorology 2015, 59: 1405-1412. PMID: 25597032, DOI: 10.1007/s00484-014-0950-1.Peer-Reviewed Original Research
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