The aim of present-day treatment of hypertension is no longer as the effective reduction of blood pressure, regarded merely but as the ever-increasing application of new therapeutic prin ciples to prevent such consequences of hypertension as left heart hypertrophy, medial hypertrophy of the vessels and ar teriosclerosis. In this context special attention has been di rected to stimulation of the endogenous vasocilator hormonal systems such as the prostaglandins. The great interest in our book, which has meanwhile appeared in a French edition, seems to confirm this trend and has encouraged us...