" from a research point of view , this is the initial instance we cannot identify what appearing to be typical parkinson ' s disease conditions before humans develop disorders , " writes mayo clinic neuroscientist matthew woodhouse . " we know if people inherits the mutation they are about to lose parkinson ' s treatment . " the mutation was uncovered by sequencing the lrrk2 expression in households with d ' s from the us , uk , ireland and poland .
A genetic mutation has been linked with Parkinson's disease.