Hayley Aja, M.P.H.
Cancer Research Training Award Fellow, Environmental Epidemiology Branch

Hayley Aja

Epidemiology and Genomics Research Program
Division of Cancer Control and Population Sciences
National Cancer Institute
National Institutes of Health
9609 Medical Center Drive, Rm. 4E576, MSC 9763
Bethesda, MD 20892
(For express delivery, use Rockville, MD 20850)

Interest Areas

  • Air pollution and its effects on various health outcomes
  • Global health
  • Infectious disease
  • Occupational and environmental epidemiology


  • M.P.H. - Occupational and Environmental Epidemiology
    University of Michigan
  • B.S. - Biology and Environmental Science
    University of Michigan


Ms. Hayley Aja is a Cancer Research Training Award (CRTA) Fellow in the Environmental Epidemiology Branch (EEB)—formerly the Modifiable Risk Factors Branch (MRFB)—of the Epidemiology and Genomics Research Program (EGRP) in NCI's Division of Cancer Control and Population Sciences (DCCPS). In this capacity, she supports the Breast Cancer and the Environment Research Program, as well as other projects associated with the global burden of environmental pollution and cancer. Ms. Aja also works with the NCI group that designs, administers, and analyzes data from the Health Information National Trends SurveyExternal Web Site Policy (HINTS).

During her graduate studies, Ms. Aja worked as a research assistant in an air quality laboratory at the University of Michigan in Ann Arbor. She also worked at the Department of Defense's National Center for Medical Intelligence in the Infectious Disease Division, where she focused on issues related to global health policy.

Previously, Ms. Aja worked with the University of Michigan Biological Station to design and complete a research project that examined the distribution of the parasite that causes Swimmer's Itch, commonly found in the waters of northern Michigan.

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