THE CORRECTION OF UNDERWEIGHT OR MALNUTRITION
Underweight is of two types; first, pathological, or that kind associated with disease, and second, physiological.
In the pathological type is found the danger sign which is apt to be an actual loss of weight though it may be inability to gain. Any loss of weight which is sudden or gradual should be investigated immediately by a competent physician.
Normal underweight, that is twenty percent below the normal weight, is more desirable than the same degree of overweight, because underweight persons as a class, live longer and are healthier than the overweight class.