Scientists Uncover New Clues to What Causes Multiple Sclerosis

There is no cure for multiple sclerosis (MS), although treatments can reduce the number and severity of relapses, according to NIH Research Matters.

Scientists have been finding new clues about what causes the disease and better ways to treat it, the National Institutes of Health publication reported in its September 23, 2025 edition.

The research update was published alongside other popular NIH Research Matters stories, including a study identifying a new role for the tau protein in brain diseases and research showing that GLP-1 plus therapy can reduce heavy drinking.

Other featured findings included a coating that stops tooth decay in children, evidence that dementia-free years may decrease with smoking, hypertension, and diabetes, and research on DNA organization changes in Alzheimer's disease and aging.