Health is
the level of functional or metabolic efficiency of a living being. In humans,
it is the general condition of a person's mind and body, usually meaning to be
free from illness, injury or pain (as in "good health" or
"healthy"). The World Health Organization (WHO) defined health in its
broader sense in 1946 as "a state of complete physical, mental and social
well-being and not merely the absence of disease or infirmity." Although
this definition has been subject to controversy, in particular as lacking
operational value and because of the problem created by use of the word
"complete", it remains the most enduring. Other definitions have been
proposed, among which a recent definition that correlates health and personal
satisfaction. Classification systems such as the WHO Family of International
Classifications, including the International Classification of Functioning,
Disability and Health (ICF) and the International Classification of Diseases
(ICD), are commonly used to define and measure the components of health.
Do you have questions, new or corrected definition?
Do you have questions, new or corrected definition?
The focus
of public health interventions is to prevent and manage diseases, injuries and
other health conditions through surveillance of cases and the promotion of
healthy behavior, communities and (in aspects relevant to human health)
environments. Its aim is to prevent health problems from happening or
re-occurring by implementing educational programs, developing policies,
administering services and conducting research. In many cases, treating a
disease or controlling a pathogen can be vital to preventing it in others, such
as during an outbreak. Vaccination programs and distribution of condoms to
prevent the spread of communicable diseases are examples of common preventive
public health measures, as are educational campaigns to promote vaccination and
the use of condoms (including overcoming resistance to such).
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