Parkinson's disease (PD) is a long term disorder of the central nervous system that mainly affects the motor system. There are many different symptoms associated with Parkinson's disease.
So there is main three symptoms
- tremor – shaking, which usually begins in the hand or arm and is more likely to occur when the limb is relaxed and resting
- slowness of movement (bradykinesia) – where physical movements are much slower than normal, which can make everyday tasks difficult and can result in a distinctive slow, shuffling walk with very small steps
