The author deprecates the use of the term 'psychogenic', holding that in every disease proper investigation would uncover psychological as well as physical and chemical features. While some physicians are impressed by the pathology of advanced cases, the psychological investigator notes that (1) transient hypertension may be induced by emotional stimulation, (2) some cases show gross emotional pathology, and (3) chronic hypertension may sometimes be reduced by psychological procedures.

The psychological studies made by numerous authors 'indicate that