Guardian Express | Dementia Has a Link to Concussions Guardian Express Amyloid plaques refer to protein deposits in the brains of Alzheimer's disease patients. Alzheimer's is a type of incurable dementia that usually affects adults over 65 years of age. Scientists have not determined the exact role plaque plays in the ... Drug Hopes to Delay Onset of Alzheimer's Symptoms With a Monthly Shot in the ... Study links concussion with Alzheimer's disease brain pathology Concussions linked to Alzheimer's disease, researchers say |