Inflammatory bowel disease increases the risk of Parkinson’s disease: a Danish nationwide cohort study 1977–2014
This 2019 Danish nationwide cohort study examined the long-term risk of Parkinson’s disease (PD) among individuals with inflammatory bowel disease (IBD), including ulcerative colitis and Crohn’s disease. Using national registry data from 1977 to 2014, the study followed 76,477 IBD patients and over 7.5 million controls. Results showed a significantly