Parkinson's Disease Index

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Parkinson's disease is a slowly progressive neurologic disease characterized by a fixed inexpressive face, a tremor at rest, slowing of voluntary movements, a gait with short accelerating steps, peculiar posture and muscle weakness, caused by degeneration of an area of the brain called the basal ganglia, and by low production of the neurotransmitter dopamine. Most patients are over 50, but at least 10 percent are under 40.

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    Related Diseases & Conditions

    • Muscle Cramps Muscle cramps are involuntarily and forcibly contracted muscles that do not relax. Extremely common, any muscles that have...learn more »
    • Muscle Spasms Muscle spasms are involuntary muscle contractions that come on suddenly and are usually quite painful. Dehydration, doing...learn more »
    • Dizziness Dizziness is a symptom that is often applies to a variety of sensations including lightheadedness and vertigo. Causes of...learn more »
      In This Article
      Dizziness Article
      • Dizziness facts
      • Introduction to dizziness (feeling dizzy)
      • What are some common causes of dizziness?
      • Low blood pressure
      • Postural or orthostatic hypotension
      • High blood pressure
      • Diabetes
      • Endocrine diseases
      • Hyperventilation
      • Heart conditions
      • Vasovagal syncope
      • Dizziness and vertigo
      • What are the symptoms experienced when a person feels dizzy?
      • When should I call the doctor for dizziness?
      • How is dizziness diagnosed?
      • How is dizziness/vertigo diagnosed?
      • How is dizziness treated?
    • Anxiety Anxiety is a feeling of apprehension and fear characterized by physical symptoms. Anxiety disorders are serious medical illnesses...learn more »
      In This Article
      Anxiety Article
      • Generalized anxiety disorder facts
      • What is generalized anxiety disorder (GAD)?
      • What are the different types of anxiety?
      • How common is generalized anxiety disorder?
      • What are causes and risk factors for anxiety?
      • What are anxiety symptoms and signs?
      • How is generalized anxiety disorder diagnosed?
      • What is the treatment for anxiety?
      • What are the side effects of anxiety medications?
      • What are complications of generalized anxiety disorder?
      • Is it possible to prevent anxiety?
      • What is the prognosis of generalized anxiety disorder?
      • Are there support groups for those with generalized anxiety disorder?
      • Where can people find additional information on generalized anxiety disorder?
    • Fainting (Syncope) Fainting, also referred to as blacking out, syncope, or temporary loss of consciousness has many causes. Often a person will have...learn more »
      In This Article
      Fainting (Syncope) Article
      • Fainting (syncope) Facts
      • Introduction to fainting (syncope)
      • What causes fainting (syncope)?
      • Heart rhythm changes
      • Heart structural conditions
      • Heart valve conditions
      • Sudden cardiac death
      • Postural hypotension
      • Vasovagal syncope
      • Anemia
      • Dehydration
      • Orthostatic hypotension
      • Vertebrobasilar artery disease
      • Electrolyte imbalance
      • Other medications and drugs
      • Pregnancy
      • What are the signs and symptoms of fainting (syncope)?
      • How is fainting (syncope) diagnosed?
      • What is the treatment for fainting (syncope)?
      • Can fainting (syncope) be prevented?
    • Tremors Tremor is the involuntary movements of one or more parts of the body. Causes of tremor include neurological disorders,...learn more »
      In This Article
      Tremors Article
      • What is tremor?
      • What causes tremor?
      • What are the characteristics of tremor?
      • What are the different categories of tremor?
      • How is tremor diagnosed?
      • Are there any treatments for tremor?
      • What research is being done on tremor?
      • Where can I get more information?

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Terms related to Parkinson's Disease:

  • Disease, Parkinson's
  • Parkinson Disease
  • Parkinsonism
  • Parkinsons Disease