It's not all Alzheimer's.  Sorting out cognitive changes.
D000544:Alzheimer Disease / Q000175:diagnosis; D003071:Cognition; D003072:Cognition Disorders / Q000145:classification / Q000175:diagnosis*; D003704:Dementia / Q000145:classification / Q000175:diagnosis*; D003937:Diagnosis, Differential; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008568:Memory; D008569:Memory Disorders / Q000145:classification / Q000175:diagnosis*