The eontemporatory Science of Nutrition may be said to be a complicated combination of the I.1 ca 1,Pharmaceutical, Agricultural, and Home
Economic Sciences. Though it cannot be denied, history tells us that nutrition has developed from experimental science centered around the development of experimental animals. The main interest was how to make animals grow rapidly. Along this line, attention was directed toward feed composition. As we all know, feed efficiency is closely related to costs. From this point, one has try to save feed consumption, and at the same time attain rapid growth.
In case of humans the matter differs. To avoid mistakes interpretion, the results obtained from animal experiments cannot be directly applied. Although physical development is important, brain development and physical function are also factors which-cannot be neglected in nutritional research. Further, we have to proceed to study the problem of longevity. Truly, Human Nutrition is very important, but it is difficult to employ human beings as subjects in every experiment. It must be noted that each home has its own specific situation and also that the social-environmental conditions of each person varies. Thus, individual data in ge-
neral is not always, applicable to the population. I should like emphasize here that we must seek for more appropriate experimental condition by attempting the approach in Human Ecology. I firrily belive that Nutrition in the future should in the real sense be Human Nu
trition.
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