Sietske N. Heyn, PhD
Sietske N. Heyn is a medical writer with a PhD in neuroscience. Dr. Heyn's education includes a BS with honors from the University of Oregon, and a doctoral degree in neuroscience from the University of California at Davis. After completing postdoctoral training at the University of California, San Francisco, and many years of working as a medical writer at the Stanford University Center for Down Syndrome Research, Dr. Heyn now runs her own medical writing business.
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
- Parkinson's disease facts
- What is Parkinson's disease?
- What causes Parkinson's disease?
- What genes are linked to Parkinson's disease?
- Who is at risk for Parkinson's disease?
- What are the symptoms of Parkinson's disease?
- What other conditions resemble Parkinson's disease?
- How is Parkinson's disease diagnosed?
- What is the treatment for Parkinson's disease?
- How can people learn to cope with Parkinson's disease?
- Can Parkinson's disease be prevented?
- What is the prognosis of Parkinson's disease?
- Parkinson's Disease FAQs
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Parkinson's disease facts
- Parkinson's disease is a neurodegenerative disorder which leads to progressive deterioration of motor function due to loss of dopamine-producing brain cells.
- Primary symptoms include tremor, stiffness, slowness, impaired balance, and later on a shuffling gait.
- Some secondary symptoms include anxiety, depression, and dementia.
- Most individuals with Parkinson's disease are diagnosed when they are 60 years old or older, but early-onset Parkinson's disease also occurs.
- With proper treatment, most individuals with Parkinson's disease can lead long, productive lives for many years after diagnosis.
What is Parkinson's disease?
Parkinson's disease is the second most common neurodegenerative disorder and the most common movement disorder. It is characterized by progressive loss of muscle control, which leads to trembling of the limbs and head while at rest, stiffness, slowness, and impaired balance. As symptoms worsen, it may become difficult to walk, talk, and complete simple tasks.
The progression of Parkinson's disease and the degree of impairment vary from individual to individual. Many people with Parkinson's disease live long productive lives, whereas others become disabled much more quickly. Premature death is usually due to complications such as falling-related injuries or pneumonia.
Most individuals who develop Parkinson's disease are 60 years of age or older. Since overall life expectancy is rising, the number of individuals with Parkinson's disease will increase in the future. Adult-onset Parkinson's disease is most common, but early-onset Parkinson's disease (onset between 21-40 years), and juvenile-onset Parkinson's disease (onset before age 21) also exist.
Descriptions of Parkinson's disease date back as far as 5000 BC. Around that time, an ancient Indian civilization called the disorder Kampavata and treated it with the seeds of a plant containing therapeutic levels of what is today known as levodopa. Parkinson's disease was named after the British doctor James Parkinson, who in 1817 first described the disorder in great detail as "shaking palsy."
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