The Independent | Blood test that predicts Alzheimer's disease The Independent A blood test that can detect Alzheimer's disease up to three years before the onset of symptoms has been developed by scientists who believe that it could lead to the early diagnosis of progressive dementia in elderly people. The test raises ethical ... New blood test predicts Alzheimer's, dementia Blood test could predict risk of Alzheimer's disease, dementia in elderly Alzheimer's: new test is 'major step forward' |