What Is the Function of the Prostate? (IMAGE) European Association of Urology Caption Just one in 4 men (26%) over the age of 50 are correctly able to identify the prostate's main function. Credit European Association of Urology Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.