By Dr. Sanchari Sinha Dutta, Ph.D. Reviewed by Lauren Hardaker May 18 2026 A simple blood-based measure of biological aging could help identify people at higher risk of dementia long before memory problems begin, offering a potential new tool for earlier prevention and targeted intervention. Study: Metabolomic ageing (MileAge) in mid-life predicts incident vascular, unspecified and all-cause dementia . Image credit: Orawan Pattarawimonchai/Shutterstock.com Individuals having a metabolite-based