Alzheimer's disease is a difficult diagnosis to make. The only way to be sure is by doing a postmortem autopsy of the brain, and even then it can remain uncertain.
But while researchers are not certain about the cause of this form of dementia that typically occurs in old age, they have noticed some associations between certain lifestyle factors and biomarkers and the risk of Alzheimer's disease.
To get the Alzheimer's Association's list of 10 early warning signs click here.
Below are nine...Full Story