Plasma concentrations of free amyloid β cannot predict the development of Alzheimer's disease

Plasma concentrations of free amyloid β cannot predict the development of Alzheimer's disease:

Dementia Big
Biomarkers that identify individuals at risk of Alzheimer’s disease (AD) development would be highly valuable. Plasma concentration of amyloid β (Aβ)—central in the pathogenesis of AD—is a logical candidate, but studies to date have produced conflicting results on its utility.

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