I was told by a friend that a medical journal published a study linking biking and prostate cancer. He did not know the name of the journal. I searched the web and could only find a study outlinning penis blood supply and biking. Nothing about the prostate. I'm not a paranoid type and firmly feel the benifits will outweigh/cancel any risks, like say crashing and breaking a leg, or an increas in cancer risk from very very slim to slim. I would still like to look at the study. Anyone else heard of this?