Here's a quote on prostate cancer from, "In the News"

"Male Infertility Linked to Prostate Cancer

"Researchers say that infertile men may have an increased risk of developing aggressive prostate cancer. A study of 22,000 Californian men who had been evaluated for infertility between 1967 and 1998 found that infertility increased their chances of being diagnosed with aggressive tumors 2.6 times. It remains unclear why this link exists, but it may help doctors identify which patients should be screened for the cancer. Prostate cancer is one of the most common invasive cancers among males, affecting about 160 per 100,000 every year. More ... Discuss"

As you know, the box in the left hand column changes with the day, so to preserve this for future viewers to access it, it is quoted here.

As you may know, I have a relative that had prostate cancer, so I am frequently reading the journal articles on this topic. The news article above is a good place to start Reach Reading tm to enhance science literacy and science education.