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Parkinson's Disease

Parkinson’s disease is recognized as a disorder that affects multiple systems within the body. Approximately 60,000 adults in the United States are diagnosed with Parkinson’s disease each year. Parkinson’s disease may cause tremors, stiffness, slow movement, and balance trouble, as well as mood changes and sleep difficulties.1

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Condition

Parkinson's Disease Symptoms2

Common symptoms:

  • Tremor in hands, arms, legs, jaw, or head
  • Muscle stiffness, where muscle remains contracted for a long time
  • Slowness of movement
  • Impaired balance and coordination, sometimes leading to falls

Other symptoms may include:

  • Cognitive impairment
  • Depression and other emotional changes
  • Difficulty swallowing, chewing, and speaking
  • Urinary problems or constipation
  • Skin problems

Essential Tremor vs. Parkinson's Disease3

While tremors are often associated with Parkinson's disease, there are a few key differences:

Timing of tremors

Essential tremor in the hands is usually noticeable when the hands are being used. In Parkinson's disease, hand tremor is most noticeable when they are resting.

Associated symptoms

Essential tremor often doesn't have additional symptoms (although sometimes neurological symptoms may occur). Parkinson's disease can also bring on slower movement, stooped posture, and feet dragging when walking.

Affected parts of the body

Essential tremor mainly involves the hands, legs, head, and voice. Parkinson's disease tremors usually start in the hands, and can affect the legs, chin, and other parts of 
the body.

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References
  1. Parkinson’s disease and Its management. National Library of Medicine. Accessed August 10, 2023. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4517533/
  2. Parkinson’s disease: causes, symptoms and treatments. National Institute on Aging. Accessed June 2, 2023. https://www.nia.nih.gov/health/parkinsons-disease
  3. Essential tremor. Mayo Clinic. Accessed June 2, 2023. https://www.mayoclinic.org/diseases-conditions/essential-tremor/symptoms-causes/syc-20350534