this has something to do with dopamine, but I'm not clear on just how. http://www.sciencedaily.com/releases/2010/10/101027161452.htm Ray Rayilyn Brown Past Director AZNPF Arizona Chapter National Parkinson Foundation ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn