Authors (IMAGE) University of Arizona Health Sciences Caption Prolactin study authors (from left), Dr. Frank Porreca, Yanxia Chen and Drs. Edita Navratilova, Aubin Moutal and Rajesh Khanna with display of Science Translational Medicine journal cover image on laptop that illustrates how women feel more pain than men. Credit [Photo: The University of Arizona Health Sciences, Noelle Haro-Gomez] 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.