Radiation Epidemiology Branch
- Seeks to identify, quantify, and understand the risk of cancer in populations exposed to radiation, alone or in combination with other agents.
- http://dceg.cancer.gov/reb

Nutritional Epidemiology Branch
- Conducts independent and collaborative research on the role of diet and nutritional status in cancer etiology.
- http://dceg.cancer.gov/neb

Epidemiology and Biostatistics Program
- Conducts independent and collaborative epidemiologic and biostatistical investigations to identify the distribution, characteristics, and causes of cancer in human populations.
- http://dceg.cancer.gov/about/organization/programs-ebp

Biostatistics Branch
- Develops statistical methods and data resources to strengthen observational studies, intervention trials, and laboratory investigations of cancer.
- http://dceg.cancer.gov/bb

Viral Epidemiology Branch
- Conducts multidisciplinary studies of carefully selected domestic and foreign populations, with the goal of clarifying the relationship of infectious agents, especially viruses, to human cancer and other diseases.
- http://dceg.cancer.gov/veb

Occupational and Environmental Epidemiology Branch
- Conducts studies throughout the United States and around the world to identify and evaluate environmental and workplace exposures associated with the risk of cancer.
- http://dceg.cancer.gov/oeeb

Human Genetics Program
- Established in 1996 to provide an expanded focus for interdisciplinary research into the genetic determinants of human cancer.
- http://dceg.cancer.gov/about/organization/programs-hgp

Clinical Genetics Branch
- Integrates clinical observations into an interdisciplinary approach involving clinical, genetic, epidemiologic, statistical and laboratory methods to define the role of susceptibility genes in cancer etiology.
- http://dceg.cancer.gov/cgb