Before outlining the method of preventing poor appetites, to be presented here, I should like to mention the thoughts that suggested its use. In the first place, lack of appetite was so common a condition and its results so disastrous to the physical and mental welfare of many children that I became interested in its treatment and prevention. In treating other abnormalities, it has been customary to begin with a study of normal function, but in the matter of hunger and appetite our textbooks, until recently, have afforded little information. One gathers from this lack of attention to the subject that eating has been assumed to be instinctive. Perhaps some of our difficulties in the management of anorexia have been due to this vague conception of the eating mechanism.
Since hunger and appetite are the main stimuli to eating, it is worth while to investigate their nature. According to Webster's