Surgical weight loss: what are the recent advances in this exploding field, and what can patients expect from today's evolving procedures? Joining host Dr. Mary Leuchars to speak on bariatric surgery's emergence and development in practice is Dr. Christine Ren, founder and director of the NYU Program for Surgical Weight Loss and assistant professor of surgery at NYU School of Medicine. Dr. Ren talks about the history of gastric bypass procedures, and the past to current trends of practice for bypass, banding, and malabsorptive operations.