Parkinsons Disease
Parkinson's Disease and the protective mechanism of the antioxidant Vitamin E
Description and Risks
Parkinson's disease (PD) is a progressive movement disorder marked by tremors, rigidity, slow movements (bradykinesia), and postural instability. It is a chronic, progressive neurodegenerative disease caused by decreased production of dopamine, a neurotransmitter. Dopamine is responsible for most of the body's smooth muscle movements. As a result, motor control in Parkinson's patients is disrupted, causing anything from uncontrollable tremors to muscular stiffness to slow-as-molasses movements. (2) PD affects about 500,000 people in the United States, both men and women, with as many as 50,000 new cases each year. The disease usually begins in a person's late 50's and 60's; it causes a progressive decline in movement control, affecting the ability to control initiation, speed, and the smoothness of motion. The symptoms of PD are seen in up to 15% of those between the ages......
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