http://www.news-medical.net/news/20140923/Researchers-demonstrate-how-Parkinsons-disease-spreads-in-the-human-brain.aspx 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