You've probably never heard of L.A.T.E. It's an acronym that stands for Limbic-predominant, Age-related TDP-43 Encephalopathy. It's a form of dementia which the symptoms often mimic Alzheimer's disease. Dr. Greg talks with colleague Dr. Pete Nelson, a researcher with the UK Sanders Brown Center on Aging about a new clinical trial for L.A.T.E. patients.