Thanks for sharing that, Mel...very interesting!
I would have to think that the actual hunt for the cache at the final 
location would negate any negative effects on the hippocampus.
Of course if it's an FTF you hippocampus is going to swell  all out of 
proportion. ;-)

MEL HOCKWITT wrote:
> FYI
>
> http://www.msnbc.msn.com/id/40138522/ns/health-mental_health/
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