" from a research point of view , this is the first way we ever identify the appears to be typical parkinson ' s failure experiences before people develop schizophrenia , " says mayo clinic neuroscientist matthew philipps . " we suspect if someone inherits the mutation they are going to become parkinson ' s disease . " the mutation was discovered by screening the lrrk2 gene in households with parkinson ' s from the us , norway , ireland and russia .
A genetic mutation has been linked with Parkinson's disease.