Some people with Alzheimer's seem to resist memory loss
Kevin Lamarque/Reuters
The defective proteins that are widely thought to kill brain neurons and cause, or at least indicate, Alzheimer's disease do not always have that calamitous result, scientists reported on Monday, raising more doubts about conventional approaches to diagnosing and finding treatments for Alzheimer's.
The researchers analyzed the brains of eight people who died in their 90s and who had excellent recall until then. Three of the eight brains had the defining amyloid plaques and tau tangles of Alzheimer's... Читать дальше...