Health25-year study finds why some 80-year-olds keep sharp memorybasrahdaily.comJanuary 15, 2026January 16, 2026 January 15, 2026January 16, 2026 MENA Newswire, CHICAGO: A 25-year research effort at Northwestern University has detailed a consistent pattern among a small group of adults in their 80s and beyond who retain...