This area is closely associated with the concentrations in exposure, epidemiology, and risk and in occupational health/occupational epidemiology in the Department of Environmental Health. Students take courses in epidemiology, environmental health, occupational health, biostatistics, toxicology, genetics, and environmental exposure assessment. Doctoral students conduct research in a substantive or methodologic area related to environmental or occupational exposures and cancer, children's health, cardiopulmonary disease, neurodegenerative disease, reproductive health, and gene-environment interactions.