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").[1] 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."[2][3] 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.[4][5] Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.[6][7] 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.
Sleeping is in fact somewhat of a mistery to us because we don’t quite fully understand the complex mechanisms which happen to us when we are sleeping. Sure we know most of them or at least we think we know most of them yet some still are a mistery to us. Here is a list [...]
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Sun, Jan 20, 2008
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