Center for Occupational and Environmental Health (COEH)
COEH is housed within the UCLA Fielding School of Public Health in the Department of Environmental Health Sciences, the School of Nursing, and the David Geffen School of Medicine.
one of three centers created by 1978 legislation
which mandated the State of California establish education, research and service centers to protect people from work-related hazards
Community Health Sciences
research, training, and service in an array of disciplines
Environmental Health Sciences
Occupational Nursing
Occupational-Environmental Medicine
Providing opportunities for students and the public to contribute to and connect with our work.

Our mission is to address occupational and environmental health issues through advanced research, teaching, training opportunities and service to the Southern California community, achieving this through collaboration with sister centers and local to international affiliates. 


Nov 18, 2020

A study led by UCLA Fielding School of Public Health Professor 

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Oct 8, 2020

The LA Times interviewed COEH Director Dr. Michael Jerrett and Physicians for Social Responsibility Los Angeles Director Martha Dina Arguello.

Welcome to Boiling Point, a newsletter

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Sep 27, 2020

Based on data from the Los Angeles region, the study’s findings provide insights for communities across the country.

Prevention Institute, in collaboration with UCLA and the Powering

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Sep 15, 2020

Wildfires raging in California, Oregon and Washington have led to some of the worst air quality in the world

Washington Post interviewed COEH Director Dr. Michael Jerrett for this piece.

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Sep 14, 2020

The New York Times interviewed COEH faculty Dr. Yifang Zhu about America's wildfire air quality.

During a short walk in her Los Angeles neighborhood a few days ago, my colleague Jill

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Upcoming Events


UCLA Labor Occupational Safety & Health trainings (ongoing)

  • Event

Eat Your Fish: A Captivating Tale for Beginning Scientists with Oliver Hankinson, PhD

1:00am to 2:00am
RSVP at https://tinyurl.com/EHS411
  • Event

Park Equity Policy and Advocacy

8:30pm to 10:00pm
RSVP at http://bit.ly/ParkEquityNow
  • Event

Wildfires, Air Pollution, and Public Health

1:00am to 2:00am
RSVP at https://tinyurl.com/EHS411
  • Event


Recent Publications

Predicting Ambient Exposure to Agricultural Pesticides during Pregnancy and Risk of Cerebral Palsy: A Population-Based Study in California. 
Liew Z, von Ehrenstein OS, Ling C, Yuan Y, Meng Q, Cui X, Park AS, Uldall P, Olsen J, Cockburn M, Ritz BToxics. 2020 Sep;8(3):52.

Predicting differential improvements in annual pollutant concentrations and exposures for regulatory policy assessment. 
Su JG, Meng YY, Chen X, Molitor J, Yue D, Jerrett M. Environment International. 2020 Oct 1;143:105942.

An epigenome-wide association study of ambient pyrethroid pesticide exposures in California's central valley.
Furlong MA, Paul KC, Yan Q, Chuang YH, Cockburn MG, Bronstein JM, Horvath S, Ritz B. International Journal of Hygiene and Environmental Health. 2020 Aug 1;229:113569.

Traffic-Related Air Pollution and Incident Dementia: Direct and Indirect Pathways Through Metabolic Dysfunction. 
Paul KC, Haan M, Yu Y, Inoue K, Mayeda ER, Dang K, Wu J, Jerrett MRitz BJournal of Alzheimer's Disease. 2020 Jul 8(Preprint):1-5.

Different temportal trends of exposure to Bisphenol A among international travelers between Los Angeles and Beijing.
Lin Y, Qiu X, Liu J, Tseng CH, Allard P, Araujo JA, Zhu YEnvironment International. 2020 Aug 1;141:105758.

Air Pollution and Adverse Pregnancy and Birth Outcomes: Mediation Analysis Using Metabolomic Profiles. 
Inoue K, Yan Q, Arah OA, Paul K, Walker DI, Jones DP, Ritz BCurrent Environmental Health Reports. 2020 Aug 8:1-2.

Traffic-Related Noise Exposure and Late-life Dementia and Cognitive Impairment in Mexican-Americans. 
Yu Y, Mayeda ER, Paul KC, Lee E, Jerrett M, Su J, Wu J, Shih IF, Haan M, Ritz BEpidemiology. 2020 Aug 3.

Impacts of COVID-19 response actions on air quality in China
Marlier ME, Xing J, Zhu Y, Wang S. Impacts of COVID-19 response actions on air quality in China. Environmental Research Communications. 2020 Jul 17;2(7):075003.

Untargeted Metabolomics Screen of Mid-pregnancy Maternal Serum and Autism in Offspring. 
Ritz B, Yan Q, Uppal K, Liew Z, Cui X, Ling C, Inoue K, von Ehrenstein O, Walker DI, Jones DP. Autism Research. 2020 Jun 4.

Double gloving of disposable nitrile gloves exposed to diethylene glycol mono-n-butyl ether.
Takaku-Pugh S, Que Hee S. Journal of Occupational and Environmental Hygiene. 2020 May 29:1-9.

Effects of propylene glycol, vegetable glycerin, and nicotine on emissions and dynamics of electronic cigarette aerosols.
Li L, Lee ES, Nguyen C, Zhu YAerosol Science and Technology. 2020 May 22:1-5.

Health co-benefits of achieving sustainable net-zero greenhouse gas emissions in California 
Wang T, Jiang Z, Zhao B, Gu Y, Liou KN, Kalandiyur N, Zhang D, Zhu YNature Sustainability. 2020 May 4:1-9.

Pretirm Birth among Infants Exposed to in Utero Ultrafine Particles from Aircraft Emissions.
Wing SE, Larson TV, Hudda N, Boonyarattaphan S, Fruin S, Ritz BEnvironmental Health Perspectives. 2020 Apr 2;128(4):047002.

The effect of exposure to long working hours on ischaemic heart disease: A systematic review and meta-analysis from the WHO/ILO Joint Estimates of the Work-related Burden of Disease and Injury. 
Li, J., Pega, F., Ujita, Y., Brisson, C., Clays, E., Descatha, A., ... & Metzendorf, M. I. (2020). Environment International142, 105739.

Glove permeation of chemicals: The state of the art of current practice--Part 2. Research emphases on high boiling point compounds and simulating the donned glove environment.
Banaee S, Que Hee SSJournal of Occupational and Environmental Hygiene. 2020 Apr 2;17(4):135-64.

The Paradoxical Effects of Occupational Versus Leisure-Time Physical Activity
Holtermann A., Coenen P., Krause N. (2020) In: Theorell T. (eds) Handbook of Socioeconomic Determinants of Occupational Health. Handbook Series in Occupational Health Sciences. Springer, Cham.

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