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Health system. A health system, health care system or healthcare system is an organization of people, institutions, and resources that delivers health care services to meet the health needs of target populations. There is a wide variety of health systems around the world, with as many histories and organizational structures as there are nations.
The World Health Organization (WHO) ranked the health systems of its 191 member states in its World Health Report [1] 2000. It provided a framework and measurement approach to examine and compare aspects of health systems around the world. [2] It developed a series of performance indicators to assess the overall level and distribution of health ...
Health systems science (HSS) is a foundational platform and framework for the study and understanding of how care is delivered, how health professionals work together to deliver that care, and how the health system can improve patient care and health care delivery. [1] It is one of the three pillars of medical education along with the basic and ...
Health care, or healthcare, is the improvement of health via the prevention, diagnosis, treatment, amelioration or cure of disease, illness, injury, and other physical and mental impairments in people. Health care is delivered by health professionals and allied health fields. Medicine, dentistry, pharmacy, midwifery, nursing, optometry ...
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]
Advanced industrial countries (with the exception of the United States) [55] and many developing countries provide medical services through a system of universal health care that aims to guarantee care for all through a single-payer health care system, or compulsory private or co-operative health insurance. This is intended to ensure that the ...
The social determinants of health ( SDOH) are the economic and social conditions that influence individual and group differences in health status. [1] They are the health promoting factors found in one's living and working conditions (such as the distribution of income, wealth, influence, and power), rather than individual risk factors (such as ...
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]