Parkinson's disease causes slowness of voluntary movement.
Zarat -LRB- also , Zaratbaba-Deresi -RRB- is a village in the Ismailli Rayon of Azerbaijan .. Rayon. Administrative divisions of Azerbaijan. Ismailli. Ismailli Rayon. Ismailli Rayon. Ismailli Rayon. Azerbaijan. Azerbaijan. The village forms part of the municipality of Candahar .. Candahar. Candahar