Important news for men receiving treatment for prostate cancer: Two new studies have upended the widely held view that it is best to delay radiation treatment as long as possible after removal of the prostate in order to prevent unwanted side effects. "The common teaching has been, without clear evidence, that urinary incontinence and erectile function are worse when radiation is delivered earlier rather than later, but we didn't see any protective effect of delayed radiation compared to earlier radiation," said radiation oncologist Timothy N. Showalter, MD, of the Universit...