Repositioning GLP-1 Drugs for Neurologic Disease: Evidence, Advances, and Outlook

One of the most searched topics on Google in 2025 was GLP-1s, a class of medications traditionally used to treat type 2 diabetes and in chronic weight management. GLP-1, or glucagon-like peptide-1, is a natural gut hormone that helps regulate blood sugar, appetite, and digestion which these therapies target.