Just as a matter of interest. I had a terrible pain in my lower back about 4 months ago and a subsequent blood test revealed I had a higher than normal PSA (prostate-specific antigen) blood count. As this is an early sign of prostate cancer (both lower back pain and elevated PSA) I had to take a biopsy of my prostate. With great relief the results showed no sign of cancer. However, I wasn’t given any explanation of why my PSA count was higher than normal. I have been advised to take another PSA blood test in the beginning of March and if the PSA level has not decreased I will have to take another biopsy. According to an article on PSA in Wikipedia, PSA levels can be abnormally high after recent ejaculation. My age does not put me in the danger zone of cancer to the prostate and apart from a bad back I had no other symptoms. :?