During the course of laboratory1 and clinical2 studies on calcium in relation to neuropsychiatric problems, there was occasion to review the literature in this complicated sphere. It is my purpose to abstract this enormous amount of material in a somewhat integrated and conceptual manner, and it is hoped that a dynamic point of view has been brought to bear on this problem. Immediately the question arises: Where shall the limits be drawn as to what is inclusive and pertinent and what is exclusive and unrelated to the subject? The present controversial discussions of the respective boundaries of the fields of neurology and psychiatry attest to the difficulties involved. However, it is my belief that the nature of the problem must determine the extent and limitations of the investigation.
Where are the points of contact between calcium (in itself a most inert substance) and the personality as a whole