Critics say a new, broader definition of high-risk plaque opens the door to more tests, diagnoses, and invasive procedures, steering us down a potentially harmful path.

An experimental drug has shown promise in preventing Alzheimer’s for people at higher risk of developing the disease.

This overexpression causes an age-dependent accumulation of Aβ plaques that are quantitatively and qualitatively similar to those of the AD brain, but does not reproduce the complete phenotype ...