Hi I recently attended the Parkinson's Uk weekend conference for younger people with PD in Stratford-on-Avon and (in between having fun) managed to ask their director of research about the above, as I suspect there is a link. Dr Breen's reply is attached. ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn