HealthCanal.com | Blood Vessel Damage Plays Key Role in Alzheimer's-related Dementia HealthCanal.com For many years, scientists have known that degeneration of neurons — nerve cells that transmit signals to and from the brain — caused Alzheimer's dementia, an incurable disease afflicting more than 35 million people worldwide and approaching epidemic ... New blood test diagnoses Alzheimer's disease two decades before symptoms ... Alzheimer's disease: Melbourne researchers develop simple blood test for ... Blood test developed to diagnose early onset Alzheimer's disease |