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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