" from a research take of view , this is the next occasion we could identify what appears to be typical parkinson ' s disease complications before people development symptoms , " says lima pd immunologist henry farrer . " we guess if someone inherits the trait they are going to gotten parkinson ' s disease . " the mutation was discovered by sequence the lrrk2 chromosome in cases with parkinson ' s from the us , netherlands , ireland and norway .
A genetic mutation has been linked with Parkinson's disease.