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Health. Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional wellbeing, 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 ...
Public health. 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 ...
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]
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 ...
e. Global health is the health of populations in a worldwide context; [1] it has been defined as "the area of study, research, and practice that places a priority on improving health and achieving equity in health for all people worldwide". [2] Problems that transcend national borders or have a global political and economic impact are often ...
Health education in the U.S. became "the process of assisting individuals... to make informed decisions about matters affecting their personal health and the health of others." [12] This definition emerged in the same year as the first national-scale investigation of health education in schools in the United States, which eventually led to a ...
Medical therapies or treatments are efforts to cure or improve a disease or other health problems. In the medical field, therapy is synonymous with the word treatment. Among psychologists, the term may refer specifically to psychotherapy or "talk therapy". Common treatments include medications, surgery, medical devices, and self-care.
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.