This study was undertaken for the purpose of acquiring more experimental data than can be found in the literature on the subject of the relation of protein intake to high blood pressure. As far as can be judged from a study of the subject, opinions are, in the main, based on empirical clinical impressions or on personal opinion without evidence of any sort. How widely these opinions vary may be illustrated by reference to the articles of Hamman1 and Mosenthal2 from the same clinic in 1917. As a matter of fact, Mosenthal3 in 1920 commented on the absence of actual experimental data and was one of the first to attempt an experimental study on human beings.
No discussion of any phase of the hypertension problem can be complete without a review of the more recent studies of hypertension in relation to the diseases most often associated with it,—myocarditis, arteriosclerosis and