The Clock Inside Our Heads: New Research Reveals Brain Aging Begins in Early Adulthood—and the Gut May Hold a Clue
By Molly Knudsen, M.S., RDN Published: September 16, 2026 When society thinks about cognitive aging, the imagery is almost always fixed on later chapters of life. We picture individuals in their 70s, 80s, and beyond navigating the nuances of memory loss, slowed reaction times, or age-related cognitive decline. It is a traditional view of aging—one…
