Huntington's disease is a disorder that may be inherited.
Genetic testing , also known as DNA testing , allows the determination of bloodlines and the genetic diagnosis of vulnerabilities to inherited diseases . The Hereditary Disease Foundation ( HDF ) aims to cure genetic disorders , notably Huntington 's disease , by supporting basic biomedical research . Huntington 's disease ( HD ) , also known as Huntington 's chorea , is an inherited disorder that results in death of brain cells . Diagnosis is by genetic testing , which can be carried out at any time , regardless of whether or not symptoms are present .