Martin Young, DPhil, professor in the Department of Medicine, Jeanne V. Marks endowed chair of Cardiovascular Disease, vice director for Research, section chief for Basic and Translational Research, Division of Cardiovascular Disease, University of Alabama-Birmingham, School of Medicine, Birmingham, Alabama, will present the Cardiovascular Renal Research Center Seminar, "Circadian Regulation of Cardiac Physiology and Pathophysiology," at noon, Thursday, May 22, in G451-04.