New study challenges previous ideas regarding Alzheimer’s disease. Research found the increase in soluble Aβ may be a general aging-related change in the brain not specific to Alzheimer’s, while higher levels of fibrillary amyloid appear to be a better indicator of poorer brain health. gero.usc.edu Submitted by Wagamaga t3_105wpqk on January 7, 2023 at 7:02 PM in science 13 comments 96