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The meaning of health has evolved over time. In keeping with the biomedical perspective, early definitions of health focused on the theme of the body's ability to function; health was seen as a state of normal function that could be disrupted from time to time by disease.
In 1992 Robert Chambers and Gordon Conway [8] proposed the following composite definition of a sustainable rural livelihood, which is applied most commonly at the household level: "A livelihood comprises the capabilities, assets (stores, resources, claims and access) and activities required for a means of living: a livelihood is sustainable ...
Healthy life years can also be seen as a productive tool for the econometric analysis, though some scholars claim that one that is based on the self-rated health indicator is better. The consequences of increasing the number of healthy life years can be advantageous in the economic world.
For the first portion of the list, see List of words having different meanings in American and British English (A–L). Asterisked (*) meanings, though found chiefly in the specified region, also have some currency in the other dialect; other definitions may be recognised by the other as Briticisms or Americanisms respectively. Additional usage ...
Quality of life (QOL) is defined by the World Health Organization as "an individual's perception of their position in life in the context of the culture and value systems in which they live and in relation to their goals, expectations, standards and concerns".
This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with classical languages to understand and remember the scientific names of organisms. The binomial nomenclature used for animals and plants is largely derived from Latin and Greek words, as are some of the names used for higher taxa , such ...
Personal resources, such as status, social support, money, or shelter, may reduce or prevent an employee's emotional exhaustion. According to the Conservation of Resources theory (COR), people strive to obtain, retain and protect their personal resources, either instrumental (for example, money or shelter), social (such as social support or status), or psychological (for example, self-esteem ...
Vitality is also the characteristic that distinguishes living from non-living things. [2] To experience vitality is regarded as a basic psychological drive and, in philosophy, a component to the will to live. As such, people seek to maximize their vitality or their experience of vitality—that which corresponds to an enhanced physiological ...