The causes of Parkinson's are as yet unknown. Some poisons, mould toxins and synthetic medications, for example, can give rise to the condition. Additionally there are some genes that can be a trigger if they become damaged. Extensive brain damage can also cause Parkinson's symptoms.
Researchers have not yet been able to find a way to cure Parkinson's or slow its progression, although this is an area of great research. However, with medication symptoms can be effectively controlled to improve your quality of life.