Parkinson's is described as a progressive idiopathic neurodegenerative disorder, a brain disease that will worsen with time for which no cause has as yet been identified.
Increase your consumption of healthful fats like extra virgin olive oil, avocado, grass-fed beef, wild fish, coconut oil, nuts and seeds. At the same time, keep in mind that modified fats like hydrogenated or trans fats are the worst choices for brain health.
So-called 'complex carbs' may actually represent a more significant threat to health than simple sugar in that they may not only raise blood sugar, but keep it elevated for a more prolonged period of time.