Contrary to common beliefs, your urine is not germ-free. In fact, a new study shows that the urethra of healthy men is teeming with microbial life and that a specific activity—vaginal sex—can shape its composition. The research, being published March 24 in the journal Cell Reports Medicine, provides a healthy baseline for clinicians and scientists to contrast between healthy and diseased states of the urethra, an entrance to the urinary and reproductive systems. Read More