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Huntington Chorea Causes & Risks


HD is caused by a faulty gene on chromosome #4. All people who inherit the faulty gene may eventually develop HD.

Risk Factors

These factors increase your chance of developing HD. Tell your doctor if you have any of these risk factors:

  • Family members with HD: Each person whose parent has HD has a 50% chance of inheriting the disorder.
  • Age: Onset of symptoms on average range 35-50 years old, though a subset of juvenile cases occurs in people less than 20 years of age.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2020 EBSCO Publishing All rights reserved.

The Latest in Huntington Chorea Causes & Risks

  • Causes of Huntington's disease

    Encylopedia entry for Causes of Huntington's disease.

    Causes of Huntington's disease Adapted from the National Institutes of Health by

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