Case Western Reserve University Feb 9 2026 A significant discovery by Case Western Reserve University researchers could change how doctors treat two of the most devastating neurodegenerative diseases. The team identified a link between gut bacteria and the deterioration of the brain in Amyotrophic Lateral Sclerosis (ALS) and Frontotemporal Dementia (FTD). The researchers discovered that certain bacterial sugars cause immune responses that kill cells-and how to prevent it. FTD mainly affects the