Huntington’s Disease (HD) is a type of an incurable brain disorder which is fatal. It causes degeneration of nerve cells in the brain. This is an inherited disease and it has a great impact on how well an individual can function. This disease impairs movement, cognitive, and perceptive abilities in a person. It causes psychiatric disorders such as manic behavior, obsessive-compulsive disorder, (OCD) and bipolar disorder. The person struggles when doing basic activities like walking, talking, thinking, and reasoning. They become dependent on other people for their day to day activities. It is known to attack all nerve cells over a course of time. Almost 1 in 10,000 Americans are affected by this disease. What age group does it affect People between the ages of 30-40 are generally affected by this disease. It’s important to learn the early signs. This can help in treating the disease to a large extent. Early signs You have to know the symptoms so that you can successfully identify it. Once you find that you or someone you know has one or more of the following symptoms, consult a doctor to get their professional advice. Clumsiness Uncontrollable movements like jerking (chorea) and shaking Short term memory lapse Stumbling Lack of expressing emotions Depression Lack of concentration Uncontrollable mood swings (signs of aggression and antisocial behavior) Abnormal eye movements Insomnia Recurrent thoughts of death, dying and suicide Causes of Huntington’s disease This disease is caused due to a defect in the gene.