Signs and symptoms
... The earliest signs and symptoms of Huntington''s disease often include personality changes and decreased cognitive abilities. You may demonstrate symptoms such as irritability, anger or paranoia or sh...

Causes
... Huntington''s disease is an inherited condition caused by a single abnormal gene. Doctors refer to the illness as an autosomal dominant disorder because only one copy of the defective gene, inherited ...

Risk factors
... If one of your parents has Huntington''s disease, you have a 50 percent chance of developing the disease. In rare cases, you may develop Huntington''s disease without having a family history of the co...

When to seek medical advice
... See your doctor if you notice changes in your movements, emotional control or mental ability. These signs and symptoms can be the result of many conditions, so they don''t necessarily mean you have Hu...

Screening and diagnosis
... To determine whether you may have Huntington''s disease, your doctor performs a physical exam and obtains your medical history and that of your family. He or she may also ask about any recent emotiona...