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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.
In other words, a need is something required for a safe, stable and healthy life (e.g. air, water, food, land, shelter) while a want is a desire, wish or aspiration. When needs or wants are backed by purchasing power , they have the potential to become economic demands .
Where available, ICD-10 codes are listed. When codes are available both as a sign/symptom (R code) and as an underlying condition, the code for the sign is used. When there is no symptoms for a disease that a patient has, the patient is said to be asymptomatic.
That is, the traditional sense of individual health as understood and processed by health care services is "one essential condition for health", but does is not the sole qualifier or an exchangeable term with "health". In other words, health care services are not sufficient for health, as public health practitioners understand it – there are ...
The different ways that quality of life is defined by institutions, therefore, shape how these organizations work for its improvement as a whole. Organisations such as the World Bank , for example, declare a goal of "working for a world free of poverty", [ 32 ] with poverty defined as a lack of basic human needs, such as food, water, shelter ...
Various aspects of public health: From top to bottom: Community health worker in Mali, vaccination example (COVID-19 vaccination in Germany), historical sewer installation photo from the United States, anti-smoking campaign in India. Part of a series on Public health Outline Subfields Community health Dental public health Environmental health Epidemiology Health economics Health education ...
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Epidemiology – is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in defined populations. 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.