Epidemiology of Inflammatory Bowel Disease in the Songpa-Kangdong District, Seoul, Korea.

This study tracks the number of people diagnosed with inflammatory bowel disease (IBD) — specifically Crohn's disease and ulcerative colitis — in a specific district of Seoul, South Korea, to understand how common these conditions are becoming. **You may be eligible if...** - You have been definitively diagnosed with Crohn's disease or ulcerative colitis based on standard medical criteria (symptoms, imaging, biopsies, and scope exams) - You are of Korean ethnicity living in the Songpa-Kangdong district of Seoul **You may NOT be eligible if...** - Your IBD cannot be classified as either Crohn's disease or ulcerative colitis - You are not of Korean ethnic background Talk to your doctor to see if this trial is right for you.