Health25-year study finds why some 80-year-olds keep sharp memoryiraqnewsflash.comJanuary 16, 2026January 16, 2026 by iraqnewsflash.comJanuary 16, 2026January 16, 2026069 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...