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Public Health

Public Health is the science and practice of protecting the health and welfare of all people by preventing and controlling disease. Public health is comprised of practitioners from many different professions: medicine, nursing, business, epidemiology, law, biology, economics, nutrition, social work, environmental science, health education and behavior sciences, among others. They are involved in a diverse set of activities and work to protect the environment; identify sources of illness in population groups; control disease outbreaks caused by microbes; evaluate the economic impacts of changing demographics; develop media campaigns to promote healthy behavior; produce health policy legislation. Childhood nutrition, work-related hypertension, pesticide exposures, hospital mergers, and AIDS education are but a few examples of public health's work which cuts across all economic and social strata. What consolidates the collection of disciplines that constitute public health and binds together its practitioners is an emphasis on the health of populations and an overriding commitment to health promotion and disease prevention.

There are many rewarding careers in public health, ranging from pure research to direct public education. View Areas of Specialization.

Undergraduates interested in pursuing public health careers find internships and jobs in government agencies, nonprofit and community based organizations, medical research institutions, bio/pharmaceutical and healthcare consulting firms.

Most public health professionals have advanced degrees, the most common is the Masters in Public Health. In addition, nurses, doctors, health administrators, social workers and others may choose to specialize and practice in a public health setting.  

Web Resources

  • Short-term Opportunities

Visit University of Tennessee’s Public Health Program.