Huntington's disease epidemiology and demographics

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Huntington’s disease affects up to approximately 10 people per 100,000 people of Western European descent and 0.1 out of 100,000 in people of Asian and African descent. The prevalence may vary from 5 to 10 per 100,000 geographically. About 10 percent of HD cases occur in people under the age of 20 years. This is referred to as Juvenile HD, “akinetic-rigid”, or “Westphal variant” HD.

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