Behavioral epidemiology is the study about the lifestyle and behaviors of people and how they affect their health conditions.

Cancer epidemiology is the study of the distribution, determinants, and frequency of malignant disease in specific populations.

Cardiometabolic health is concerned with the distribution, risk factors, and frequency of vascular diseases, coronary artery disease and myocardial.

Environmental health hazards directly influence the human health, social wellbeing and survival of children.

Global health places a priority on improving health and achieving health equity for all people across the world.

Health disparities are preventable differences in the incidence, prevalence, mortality and burden of disease on communities targeted by factors such as gender, residence, ethnicity and/or socioeconomic status.

Infectious disease epidemiology encompasses work on the epidemiology of emerging and re-emerging infections, global infectious disease threats, disease surveillance, disease detection, development of vaccines and other prevention methods, clinical trials, and the role of infectious pathogens in chronic non-communicable disease.

Molecular epidemiology emphases on the influence of potential genetic and environmental risk factors, recognized at the molecular level, to the etiology, distribution and prevention of disease inside families and across populations.

Obesity has become one of the most important public health problems in the United States and the world. As the prevalence of obesity has increased, so has the prevalence of the comorbidities associated with obesity.

Pediatric epidemiology focuses on the determinants of health and disease in reproduction and childhood development.

Reproductive and perinatal epidemiology focuses on the determinants of health and disease in reproduction, labor, and birth.

Psychiatric epidemiology studies the causes of mental disorders in society, as well as conceptualization and prevalence of mental illness.

Quantitative methods are designed to precisely estimate population parameters and measure the association between biologic, social, environmental, and behavioral factors and health conditions in order to define the determinants of health and disease and to understand causal pathways.

The study of social conditions and how these influence and determine the health situation of populations.

Epidemiology of women's health covers chronic, infectious, autoimmune and psychological conditions as well as the health disparities and differences in health behaviors to give the reader a comprehensive understanding of the major female-specific needs that may be useful in developing effective public health programs.