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Who Is Affected by Parkinson's Disease


Who Is Affected by Parkinson's Disease

It is estimated that about 1 million people in the United States (or about 4 out of 1,000) have Parkinson's disease.1 Approximately 6.3 million people are affected by Parkinson's disease worldwide.2

The number of new cases increases with age, affecting 1% of people older than 60 and up to 3% of people older than 85.3

Symptoms of Parkinson's disease most often first appear during a person's 50s or 60s. The disease progresses gradually over 10 to 15 years, resulting in increasing disability. Early-onset disease (before age 30 to 40) is not common. Among the total number of Parkinson's disease cases, 5% to 10% are early-onset.3

Parkinson's disease occurs more often in men than in women, but the reason for this is unknown.4

References

Citations

  1. DeLong MR, Juncos JL (2008). Parkinson's disease and other extrapyramidal movement disorders. In AS Fauci et al., eds., Harrison's Principles of Internal Medicine, 17th ed., pp. 2549–2559. New York: McGraw-Hill Medical.

  2. Baker MG, Graham L (2004). The journey: Parkinson's disease. BMJ, 329(7466): 611–614.

  3. Samii A, et al. (2004). Parkinson's disease. Lancet, 363(9423): 1783–1793.

  4. Minagar A, et al. (2003). Parkinson's disease. In RW Evans, ed., Saunders Manual of Neurologic Practice, pp. 205–209. Philadelphia: Saunders.

Credits

ByHealthwise Staff
Primary Medical ReviewerAnne C. Poinier, MD - Internal Medicine
Specialist Medical ReviewerG. Frederick Wooten, MD - Neurology
Last RevisedDecember 3, 2010

eMedicineHealth Medical Reference from Healthwise

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