Public health promotes and protects the health of people and the communities where they live, learn, work and play. The focus of public health intervention is to improve health and quality of life through prevention and treatment of disease and other physical and mental health conditions. This is done through surveillance of cases and health indicators, and through promotion of healthy behaviors.
The World Health Organization (WHO) is the international agency that coordinates and acts on global public health issues. From conducting scientific research to educating about health, people in the field of public health work to assure the conditions in which people can be healthy. Today, public health encompasses areas as wide ranging as epigenetics, chronic disease, the science of aging, mental health, disaster response, refugee health, injury prevention and tobacco control.

Public Health Related Journals
International Journal of Public Health and Safety, Journal of Community & Public Health Nursing, Journal of Tropical Diseases & Public Health, Public Health, Journal of Public Health and BMC Public Health.