<P> Health is the level of functional and metabolic efficiency of a living organism . The World Health Organization ( WHO ) defined human health in its broader sense in its 1948 constitution as `` a state of complete physical , mental , and social well - being and not merely the absence of disease or infirmity . '' This definition has been subject to controversy , in particular as lacking operational value , the ambiguity in developing cohesive health strategies , and because of the problem created by use of the word `` complete '' , which makes it practically impossible to achieve . Other definitions have been proposed , among which a recent definition that correlates health and personal satisfaction . </P>
<P> Health is the level of functional and metabolic efficiency of a living organism . The World Health Organization ( WHO ) defined human health in its broader sense in its 1948 constitution as `` a state of complete physical , mental , and social well - being and not merely the absence of disease or infirmity . '' This definition has been subject to controversy , in particular as lacking operational value , the ambiguity in developing cohesive health strategies , and because of the problem created by use of the word `` complete '' , which makes it practically impossible to achieve . Other definitions have been proposed , among which a recent definition that correlates health and personal satisfaction . </P>
the world health organization 's ( who 's ) definition of health promotion focuses on the concept of
the world health organization 's ( who 's ) definition of health promotion focuses on the concept of
complete physical , mental , and social well - being
complete physical , mental , and social well - being