Age predicts Alzheimer's in Down syndrome better than MRI, plasma, or cognition
Alzheimers Dement. 2026 Jul;22(7):e71661. doi: 10.1002/alz.71661.ABSTRACTINTRODUCTION: Alzheimer's disease (AD) dementia in Down syndrome (DS) occurs at predictable ages. It is unclear whether age can differentiate across AD stages (amyloid positivity, tau positivity, mild cognitive impairment [MCI]

