James Stockand, Ph.D., University of Texas Health Science Center at San Antonio (image) University of Texas Health Science Center at San Antonio Share Print E-Mail Caption James Stockand, Ph.D., stands in his laboratory at The University of Texas Health Science Center San Antonio. Dr. Stockand found that the kidney's working units have their own mechanism for handling salt and thereby controlling blood pressure. Credit UT Health Science Center San Antonio Usage Restrictions None Share Print E-Mail 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.