Lingzhi Chu
Postdoctoral AssociateAbout
Research
Publications
2025
Heat- and Cold-Related Mortality Burden in the US From 2000 to 2020
Chu L, Dubrow R, Chen K. Heat- and Cold-Related Mortality Burden in the US From 2000 to 2020. JAMA Network Open 2025, 8: e2542269. PMID: 41201802, PMCID: PMC12595540, DOI: 10.1001/jamanetworkopen.2025.42269.Peer-Reviewed Original ResearchConceptsCause of deathMortality burdenLogistic regression of mortalityOdds ratioNational Center for Health StatisticsCenter for Health StatisticsAnnual deathsAssociated with odds ratiosDemographic factorsCase-crossover designPublic health strategiesCalendar time trendsExcess annual deathsRegression of mortalityExposure-response functionsOdds of deathAll-Cause MortalityDeath recordsHealth strategiesMinimum mortality temperatureHealth StatisticsCirculatory diseasesAll-CauseMain OutcomesMarital statusDisparities in NO2-related health burden prevalent across race-ethnicity and income groups in the United States
Chu L, Ma Y, Zang E, Huang L, Chen K. Disparities in NO2-related health burden prevalent across race-ethnicity and income groups in the United States. One Earth 2025, 8: 101387. DOI: 10.1016/j.oneear.2025.101387.Peer-Reviewed Original ResearchHigh-income countiesRace-EthnicityNon-Hispanic black populationHealth burdenRacial-ethnic disparitiesRace-ethnic groupsIncome groupsLow-income countiesQuasi-Poisson regressionRacial-ethnic minoritiesMortality disparitiesUnited StatesHealthcare strategiesMortality burdenDescriptive statisticsRelative riskDisparitiesBlack populationNO2 exposureBurdenMortality rateCountyIncomeTargeted policiesMortalityA Hypothetical PM2.5 Intervention for the Risk of Hospitalization for Cardiovascular Diseases
Lin C, Chu L, Liu R, Gasparrini A, DeWan A, Forastiere L, Chen K. A Hypothetical PM2.5 Intervention for the Risk of Hospitalization for Cardiovascular Diseases. JAMA Network Open 2025, 8: e2539862. PMID: 41148138, PMCID: PMC12569718, DOI: 10.1001/jamanetworkopen.2025.39862.Peer-Reviewed Original ResearchConceptsRisk of hospitalizationParticipants' residential locationsAbsolute risk reductionRisk differencePM2.5 exposureCardiovascular diseaseAbsolute riskPrimary diagnosis of strokePrimary diagnosisCardiovascular health impactsUK Biobank cohortUK Biobank participantsLongitudinal targeted maximum likelihood estimationMyocardial infarctionPopulation-based studyDiagnosis of strokePM2.5 standardBiobank cohortBiobank participantsUK BiobankCVD outcomesMain OutcomesHospitalization riskCohort studyHeart failureMortality risk and burden associated with non-optimum temperatures in Puerto Rico
Díaz-Collado F, Chu L, Carrión D, Méndez-Lázaro P, Chen K. Mortality risk and burden associated with non-optimum temperatures in Puerto Rico. Environmental Research Letters 2025, 20: 104032. PMID: 40932903, PMCID: PMC12419553, DOI: 10.1088/1748-9326/ae013e.Peer-Reviewed Original ResearchNon-optimum temperaturesMortality riskConditional quasi-Poisson regressionRisk of all-cause mortalityDaily mortality countsHealth impactsRobust epidemiological evidenceQuasi-Poisson regressionTime-series studyAll-Cause MortalityTemperature-related deathsTime riskMortality fractionsMinimum mortality temperatureMortality burdenPuerto RicoRelative riskEpidemiological evidenceMortality countsMortality temperatureDeath rateSmall Island Developing StatesCaribbean Small Island Developing StatesVulnerable municipalitiesHeat-related death ratesDiscrepancies between Personal and Ambient Temperatures at Hourly Scale: Insights from Wearable Sensors and Environmental Modeling
Meng X, Lee M, Chu L, Nam S, Chen K. Discrepancies between Personal and Ambient Temperatures at Hourly Scale: Insights from Wearable Sensors and Environmental Modeling. Environmental Science & Technology Letters 2025, 12: 1154-1161. DOI: 10.1021/acs.estlett.5c00672.Peer-Reviewed Original ResearchPersonal exposureHourly scaleAssessment of personal exposureHour of dayLinear mixed-effects modelsCooler monthsDiurnal biasHealth impactsAmbient exposureHourly differencesEarly afternoonEnvironmental modelsMixed-effects modelsSolar radiationDiurnal patternEnvironmental factorsTemperature modelHigh-resolutionAccurate assessmentAmbient temperatureTemperature differenceExposurePerson's temperatureAmbient temperature modelRacial and ethnic disparities in exposure to short-term NO2 air pollution in California during 1980–2022
Liu R, Chu L, Rogne T, Ma X, Chen K. Racial and ethnic disparities in exposure to short-term NO2 air pollution in California during 1980–2022. Journal Of Hazardous Materials 2025, 496: 139309. PMID: 40695125, DOI: 10.1016/j.jhazmat.2025.139309.Peer-Reviewed Original ResearchConceptsShort-term NO2 exposure anChemical transport model outputExposure to ambient nitrogen dioxideNO2 air pollutionAmbient nitrogen dioxideTransport model outputAir pollutionNitrogen dioxideSpatiotemporal variationsIsland groupsCoefficient of determinationStudy periodModel outputAlaskaConcentrationGeospatial dataExposureCaliforniaEnvironmental justice literaturePollutionJoint Exposure to Ozone and Temperature and Acute Myocardial Infarction Among Adults Aged 18 to 64 Years in the United States
Chu L, Wang R, Gross C, Wei J, Lu Y, Krumholz H, Ma X, Chen K. Joint Exposure to Ozone and Temperature and Acute Myocardial Infarction Among Adults Aged 18 to 64 Years in the United States. Circulation 2025, 152: 246-256. PMID: 40458867, PMCID: PMC12303734, DOI: 10.1161/circulationaha.124.073614.Peer-Reviewed Original ResearchIncident acute myocardial infarctionAcute myocardial infarctionIncreased oddsRisk of acute myocardial infarctionHigher risk of acute myocardial infarctionProbability of acute myocardial infarctionOccurrence of acute myocardial infarctionRandom-effects meta-analysisCase-crossover studyMultivariate random-effects meta-analysisExposure to ozoneRegion-specific estimatesMyocardial infarctionStatistical interaction termsAmbient ozone pollutionPrevention strategiesUnited StatesJoint exposureMeta-analysisAdult ageYoung adultsHigh riskAdultsOddsInteraction termsProlonged health risks following floods
Chu L, Chen K. Prolonged health risks following floods. Nature Water 2025, 3: 516-517. DOI: 10.1038/s44221-025-00442-7.Peer-Reviewed Original ResearchFloods and cause-specific mortality in the United States applying a triply robust approach
Chu L, Warren J, Spatz E, Lowe S, Lu Y, Ma X, Ross J, Krumholz H, Chen K. Floods and cause-specific mortality in the United States applying a triply robust approach. Nature Communications 2025, 16: 2853. PMID: 40122917, PMCID: PMC11930965, DOI: 10.1038/s41467-025-58236-0.Peer-Reviewed Original ResearchConceptsCDC's National Center for Health StatisticsNational Center for Health StatisticsCause-specific mortality ratesCenter for Health StatisticsCause-specific mortalityHealth impacts of floodingExcess all-cause deathsLong-term health risksFlood daysLong-term associationDeath recordsHealth StatisticsConfounder adjustmentExternal causesStorm Events DatabaseAll-cause deathHealth impactsImpact of floodsPropensity scorePost‐flood yearMortality rateMyocardial infarctionPost-floodContiguous U.S.Respiratory diseaseShort‐Term Associations Between Ambient Ozone and Acute Myocardial Infarction Onset Among Younger Patients: Results From the VIRGO Study
Zhang S, Chu L, Lu Y, Wei J, Dubrow R, Chaudhry S, Spatz E, Krumholz H, Chen K. Short‐Term Associations Between Ambient Ozone and Acute Myocardial Infarction Onset Among Younger Patients: Results From the VIRGO Study. GeoHealth 2025, 9: e2024gh001234. PMID: 39968338, PMCID: PMC11833228, DOI: 10.1029/2024gh001234.Peer-Reviewed Original ResearchAcute myocardial infarction subtypeShort-term associationsAcute myocardial infarctionAcute myocardial infarction onsetAMI riskEffect modificationAssociated with increased AMI riskParticipant's home addressNon-Hispanic blacksNon-ST-segment elevation acute myocardial infarctionNon-Hispanic whitesCase-crossover designType 1 AMIConditional logistic regressionIncreased AMI riskMyocardial infarction onsetType 2 AMIAcute myocardial infarction patientsST-segment elevation acute myocardial infarctionLifestyle factorsSociodemographic statusHome addressUS hospitalsStratified analysisSpatiotemporal deep learning approach
News
News
- November 07, 2025
Warming U.S. climate linked to rising deaths from heat
- June 18, 2025Source: Medscape
Moderate Air Pollution and Heat Exposure Raise Heart Attack Risk in Younger Adults, Study Finds
- June 03, 2025Source: Yale News
Insights & Outcomes: Star Music, Kavli Kudos, and Summertime Heart Risks
- November 04, 2024
2024 Lancet Report on Climate Change Reveals Record-breaking Health Threats Associated With Climate Inaction