Of the various functions of the human body, none has been so neglected as that of lactation. It is true that human breast-milk has been repeatedly analyzed and its component parts estimated with somewhat varying results, but the ever-prominent purpose of these investigations, from the time of Meigs, has been to establish a standard upon which imitations might be based, while but comparatively little thought has been given to measures which should serve to correct a deteriorated secretion.
Nursing to the minds of the laity is a very simple matter, consisting only in putting the child to the breast at any regular or irregular intervals, which may seem best to them, the chief indication therefor being the crying of the child. If, however, the breast-milk begins to fail or appear to disagree with the child, the common thought in the minds of both friends and physicians has for years been
SOUTHWORTH TS. THE IMPROVEMENT OF BREAST-MILK AND THE PROLONGATION OF LACTATION.. JAMA. 1902;XXXIX(5):249–252. doi:10.1001/jama.1902.52480310017001e