What is prostate cancer?What are the main signs and symptoms of prostate cancer?How is prostate cancer diagnosed?What are some of the main medical treatments for prostate cancer?Have any supplements been studied for prostate cancer?How could diet affect prostate cancer?Are there any other treatments for prostate cancer?What causes prostate cancer?Is PSA a good marker of prostate cancer risk?What do the main medical treatments for prostate cancer entail?Does BPH cause prostate cancer?