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Euthenics is the study of the improvement of human functioning and well-being by improvement of living conditions. Affecting the "improvement" through altering external factors such as education and the controllable environment, including the prevention and removal of contagious disease and parasites, environmentalism, education regarding employment, home economics, sanitation, and housing. Rose Field notes of the definition in a May 23, 1926 ''New York Times'' article, "the simplest being efficient living."〔 〕 A right to environment.〔 〕 The Flynn effect has been often cited as an example of euthenics. Another example is the steady increase in body size in industrialized countries since the beginning of the 20th century. Euthenics is not normally interpreted to have anything to do with changing the composition of the human gene pool by definition, although everything that affects society has some effect on who reproduces and who does not. ==Origin of the term== The term was derived in the late 19th century from the Greek verb ''eutheneo'', εὐθηνέω (''eu'', well; the, root of τίθημι ''tithemi'', to cause). (To be in a flourishing state, to abound in, to prosper.—''Demosthenes''. To be strong or vigorous.—''Herodotus''. To be vigorous in body.—''Aristotle''.〔) Also from the Greek Euthenia, Εὐθηνία. Good state of the body: prosperity, good fortune, abundance.—''Herodotus''.〔 The opposite of Euthenia is Penia, Πενία ("deficiency" or "poverty") the personification of poverty and need.〔(Theoi Project - Penia )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Euthenics」の詳細全文を読む スポンサード リンク
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