Parkinson's disease is usually associated with people over the age of 50 years, although the incidence of the disorder is also known in young adults. The symptoms of the disease are so slow to manifest themselves that the disease may go unnoticed for a long time. On an average, over 1 million citizens in the US are plagued by Parkinson's disease. There is no permanent remedy to the disease, although individual symptoms can always be dealt with.
The contention in Parkinson's disease is the death of some vital nerve cells of the human brain. substantia nigra is the part of the brain that is usaully affected by the disease. The disease affects the production of dopamine in the brain, that is responsible for stimulating the part of the brain responsible for body movements.
The disorder begins to manifest itself in the form of problems in gait. The individual has significant issues with movement of the body. There may be a shivering movement involved with hands and legs. Body movements tend to become slow, and there is a problem in moving the body. More severe issues like cognitive and memory issues take over with the passage of time, and they may graduate to depression. There can be issues related to normal sleep and emotional stability of the patient.
There can be a number of different symptoms associated with Parkinson’s disease. They vary from individual to individual. While one patient can experience a particular symptom early in the history of the disease, another might get to experience the same at a later stage.