NUTRITION AND GROWTH 587 



soluble accessory food factors, while the miraculous benefit which 

 scorbutic children derive from the addition of the juice of limes, lemons, 

 etc., to the food is undoubtedly due to such influences. The accumu- 

 lating mass of evidence as to the faulty nutrition in animals fed on 

 single kinds of food that fail to contain both kinds of food factors 

 emphasizes the necessity in the dietetic treatment of such diseases as 

 diabetes, nephritis, etc., of seeing to it that the diet is sound, not only 

 in calories, protein content, and palatability, but also with regard to 

 the presence of accessory food factors. 



