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Public health is "the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private, communities and individuals". [1][2] Analyzing the determinants of health of a population and the threats it faces is the basis for public health. [3]
The United States Public Health Service (USPHS or PHS) is a collection of agencies of the Department of Health and Human Services concerned with public health, containing nine out of the department's twelve operating divisions. The Assistant Secretary for Health oversees the PHS. The Public Health Service Commissioned Corps (PHSCC) is the ...
A public health intervention is any effort or policy that attempts to improve mental and physical health on a population level. Public health interventions may be run by a variety of organizations, including governmental health departments and non-governmental organizations (NGOs). Common types of interventions include screening programs, [1 ...
Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional well-being, especially that associated with normal functioning of the human body, absent of disease, pain (including mental pain), or injury. Health can be promoted by encouraging healthful activities, such ...
The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. [2] It is headquartered in Geneva, Switzerland, and has six regional offices [3] and 150 field offices worldwide. [4] The WHO was established on April 7, 1948, and formally began its work on September 1, 1948. [5]
Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined population. It is a cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare.
Public health nursing, also known as community health nursing is a nursing specialty focused on public health.The term was coined by Lillian Wald of the Henry Street Settlement, or, Public health nurses (PHNs) or community health nurses "integrate community involvement and knowledge about the entire population with personal, clinical understandings of the health and illness experiences of ...
Population health has been defined as "the health outcomes of a group of individuals, including the distribution of such outcomes within the group". [1] It is an approach to health that aims to improve the health of an entire human population. It has been described as consisting of three components.