Dr. Roger Duvoisin, who has written extensively about PD, believes that there is a genetic component to PD. His research group is now actively searching for the gene for Parkinson's Disease and is looking for families where there is an extensive record of PD. ------------------------------------------------------------------------------- Herbert M. Geller e-mail:[log in to unmask] Department of Pharmacology Phone:(908) 235-4084 UMDNJ-Robert Wood Johnson Medical School Fax:(908) 235-4073 Piscataway, New Jersey 08854 USA -------------------------------------------------------------------------------