Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles. For twenty years he was the Associate Director of the Division of Gastroenterology at Cedars-Sinai Medical Center and an Associate Professor of Medicine, In Residence, at UCLA. At Cedars-Sinai he co-directed the Gastrointestinal Endoscopy Unit, taught physicians during their graduate and postgraduate training, and performed specialized, non-endoscopic, gastrointestinal testing. He carried out Public Health Service-sponsored (National Institutes of Health) clinical and basic research into mechanisms of the formation of gallstones and methods for the non-surgical treatment of gallstones. He is the author of 36 original research manuscripts and 24 book chapters. He is Co- Editor of the Webster's New World™ Medical Dictionary, Year 2000 First Edition. Dr. Marks presently directs an independent Gastrointestinal Diagnostic Unit where he continues to perform specialized tests for the diagnosis of gastrointestinal diseases.
Jay W. Marks, MD, MEDICAL AND PHARMACY EDITOR