What is the cure for parkinson's disease? How can it be reversed and completely cured?

One of my best friend has Parkinson's disease going into 4th or 5th year. He is taking medication to control movement and the dosage is now up to 15 pills a day. Is there a cure/treatment for this disease? What can be done to reverse it? Are there any therapies to halt this disease? Are there any herbal... show more One of my best friend has Parkinson's disease going into 4th or 5th year. He is taking medication to control movement and the dosage is now up to 15 pills a day. Is there a cure/treatment for this disease? What can be done to reverse it? Are there any therapies to halt this disease? Are there any herbal suplements?
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