Sudden Personality Change: An Alzheimer's Early Warning Sign?

A recent story in the New York Times suggested that abrupt
changes in personality may be early warning signs for Alzheimer's
disease. These changes in behavior can range from - agitation -
to depression - to suddenly developing an overactive sexual
appetite. It can set in even before the person starts to lose
their memory. 


To find out more - I spoke with Dr. Kenneth Kosik, co-director of
the Neuroscience Research Institute at UC Santa Barbara. Dr.
Kosik is the author of Outsmarting Alzheimer's, What You Can Do
to Reduce Your Risk.