However, there was no relationship between risk and amount of alcohol consumed. However, we still do not know what causes Parkinson's and there is no cure. Although this study offers positive results, smoking and coffee in large quantities can be harmful substances and could lead to additional medical problems. Around 120,000 people in the UK have Parkinson's. It is an incurable, debilitating disease that slowly renders sufferers increasingly immobile and eventually leads to death.
Sufferers find increasing difficulty in moving their arms and legs.
They develop tremors and facial tics. The research was presented at the American Academy of Neurology's annual meeting.