University of California - Riverside Jun 16 2025 Multiple sclerosis (MS) affects an estimated 2.3 million people worldwide. Approximately 80% of people with MS have inflammation in the cerebellum, the part of the brain that helps control movement and balance, potentially leading to tremors, poor coordination, and trouble with motor control. These problems often persist and can worsen over time, as the cerebellum gradually loses healthy brain tissue. A University of California, Riverside study,