UEG Week Barcelona 2019 (IMAGE) Spink Health Caption The new evidence demonstrates that IBD prevalence is three times higher than previously reported, with ulcerative colitis and Crohn's Disease prevalence increasing by 55% and 83% respectively between 2000 and 2017. Credit UEG Usage Restrictions UEG License Licensed content 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.