Favorable conditions are thus established for an exact study of many problems of nutrition.

The difficulties increase when we attempt to trace the successive steps in the corporeal pathway of molecule and atom.

Yet these secrets of the vital process are also gradually being revealed.

When we remember that it is in this very field of nutrition that there exist great popular ignorance and a special proneness to fad and prejudice, we realize how practically helpful are such exact studies of metabolism."(13) (13) Frederick S.Lee, Ph.D.: Scientific Features of Modern Medicine, New York, 1911.

I would like to call attention to this work of Professor Lee's as presenting all the scientific features of modern medicine in a way admirably adapted for anyone, lay or medical, who wishes to get a clear sketch of them..