Add Yahoo as a preferred source to see more of our stories on Google. Researchers say they've developed a urine test that could answer whether prostate cancer is aggressive and requiring immediate ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

When prostate cancer strikes, one question is paramount: Is it aggressive and requiring immediate treatment, or slow-growing and worthy of monitoring only? Right now, an invasive biopsy is the only ...