Checks out for my old man, but then again his disease's progression has been so wildly aggressive - at 64 his stage of the disease is more akin to what I'd alwa

Checks out for my old man, but then again his disease's progression has been so wildly aggressive - at 64 his stage of the disease is more akin to what I'd always imagined for an 84-year-old - I suspect it's not even PD