You may want to discuss this further with your physician or a genetic counselor. Tomatoes and foods based on tomatoes may lower the risk. Soy, lentils, and beans are being studied. Studies of vitamins and minerals in prostate cancer have given different answers. Vitamin E is being studied as well.
Male hormones play a role in prostate cancer.
In fact, removal of the testes is an accepted form of treatment in some cases of established disease. Additional work is needed to understand which specific hormones are important and the age at which their influence is highest. Enlargement of the prostate is common in older men. Its statistical relation to cancer of the prostate is not clear. Of note, prostate cancer usually begins in a part of the gland different from the part that enlarges.