Alzheimer’s disease — which affects an estimated 7 million Americans — is notoriously difficult to detect, especially in its initial stages. Researchers from the University of Pittsburgh say they have ...

In someone with cognitive complaints, Dr. Niotis says the most common brain scans performed are Amyloid PET scans and FDG-PET scans. "Amyloid PET scans tell us if someone has accumulated the toxic ...