Parkinson's disease is due to the lack of production of a chemical called dopamine, which produces the brain. Dopamine is one of the mood of the people, and also is responsible for controlling the movements of our body. The lack of dopamine causes signs and symptoms that appear progressively. That's why it sometimes is difficult to diagnose the disease at an early stage.
Lifestyle in urban societies has made to increase the incidence and prevalence of low back pain of the cervical in many people.