<qa>  What isoflavones are found in prostate tissue that has been removed during prostatThis study will determine the effects of soy products on in vitro surrogate cancer markers as well as bone density markers and quality of life parameters in men and women. This study will also determine concentrations of isoflavones naturally occurring plant compounds that act like estrogen in the body in prostate tissue that has been removed during prostatectomy, as well as in the blood. 