 functional now there's a skin sample test that measures how certain proteins are uh folded uh depending on where the sample's taken from i'm summarizing obviously but um and now after two years of parkinsonisms and with the new skin test i've been told i do not have parkinson's disease but instead i have louis body dementia which is one of those terrible uh you know neurological conditions that's what robin williams suffered from and he decided to end his life um