For Your entertainment here is another site it is called pdrecovery.org
This is an explanation and cure for PD , for a few lucky ones, from Oriental medicine take on it. Most informative site also she gives explanations of drugs and why they stopped working and what you can do about it. A very worthwhile site. Her books and Publications are free for a download so if you have never accesseded it is worthwhile to take a look at it.
Through her work with Parkinson's patients she has noticed that all PDS had same bad days and same good days. The cycle is 23 days, I have started marking it on my calendar, it is like clockwork. I just had 2 meltdown days accompanied by crying jigs. Now I am going to start feeling better till it starts to happen again in 23 days.