by King’s College London Flowchart of study design. CTL, cognitively normal controls; MCI, mild cognitive impairment; AD, Alzheimer’s disease; Aβ, β-amyloid; CSF, cerebrospinal fluid; A, amyloid pathology; T, tau pathology; N, neurodegeneration; PRS, polygenic risk score; MR, mendelian randomization. Credit: Alzheimer’s & Dementia (2023). DOI: 10.1002/alz.12961 A new study, published on Feb. 15 in Alzheimer’s & Dementia, analyzed...