parkinson's isn't -- in many ways, i have textbook parkinson's.n other ways, i have the idiosyncratic aspects to my experience. for example, i'm so tremendously sensitive to things. for a lot of times, the efficacy wears off. >> you get a tolerance for it. >> and it also comes with terrible diskinesia. but your experience is your experience. you can't push it in to fill a box, and you can't shrink it to squeeze it into a paranthetic notation that someone's made about it. it's your experience. i'm pretty sure that i have parkinson's, but what is parkinson's? >> medically speaking, parkinson's disease is pretty straightforward when you think about it. what you have is a particular part of the brain that produces a chemical called dopamine. helps with motor skills, smooth muscle movements. but the brain of someone with parkinson's disease isn't producing enough dopamine. why that happens exactly is anyone's guess, but the disease does get progressively worse of the as things stand right now, doctors can only treat the symptoms, typically with a pill