I am one of the participants in this study. I have a first cousin who also has PD and we gave blood samples etc... to the people from Vanderbilt university who are helping in this genetic link research. I hope they are on to something here. Lanier Maddux Chattanooga Tn _______________________________________________ Why pay for something you could get for free? NetZero provides FREE Internet Access and Email http://www.netzero.net/download/index.html