CLICK HERE TO READ MORE: "'Like the discovery of the BRCA1 and BRCA2 gene mutations for breast cancer, this finding will directly affect the way Parkinson's disease is diagnosed in Ashkenazi Jews,' says Dr. Susan B. Bressman, senior investigator of the report, who also is Chairperson of Neurology at Beth Israel, as well as Professor and Vice Chair of Neurology at Einstein. 'It also emphasizes the benefit of focusing genetic studies in a specific ethnic group, even with regard to a disease not thought to be primarily genetic in origin,'"