The treatment of cancer of the prostate by means of alteration of the soil on which the cancer cells develop through the administration of diethylstilbestrol or estradiol dipropionate or by castration or both offers promise of being one of most helpful contributions in recent years toward the goal of biochemical control of malignant disease. Contributions in the field of fundamental human biochemistry, including individual cell chemical composition and modification of vital processes in various types of cells through various physical and chemical application, are numerous. Cholesterol is a key substance which is found in every cell and every fluid of the human body. On this cholesterol base are built many steroid hormones which have profound influence on most genital organ cells but to a lesser degree on every cell. In most of the group of chemical formulas appearing in figure 1, the identical base cholesterol may be noted. Despite the