I understand it affects more women than men. How we differ from women; More testosterone, less estrogen. I think maybe 10 years ago there was a book titled, The Testosterone Syndrome. The upshot was cruciferous veggies helped keep these hormones in balance. Specifically DIM was the active component. Di-indolele methane.
There is a thread circulating about broccoli extracts as a treatment for PD. I took Sinemet for two years, Never really felt it affect me for good or bad. But as I sit here I'm having a smoothie: Made with broccoli, Cauliflower, and just enough apples and bananas to cover the bitterness.