DIETETICS. 851 



For a person in health and leading an active, normal life, appetite 

 and experience seem to be safe and sufficient guides by which to 

 control the diet ; but in conditions of disease, in regulating the diet 

 of children and of collections of individuals, scientific dieting, if one 

 may use the phrase, has accomplished much, and will be of greater 

 service as our knowledge of the physiology of nutrition increases. 



