Michael Saladin headshot (IMAGE) Medical University of South Carolina Caption Medical University of South Carolina (MUSC) researchers Nathaniel Baker, M.S., and Michael Saladin, Ph.D., have been studying progesterone’s effect on women who are trying to quit for almost eight years. Credit Anne Thompson Usage Restrictions none License Original 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.