Huntingdon's Chorea 1.<Tab/>Genetic Causes: The gene that causes the disease is found at the tip of chromosome-4. It leads to damage to some of the nerve cells in the brain. It is not known what the gene's usual function is and how it causes the disease. <Tab/>The disease is caused by a dominant gene: therefore anyone who has the carrier gene gets the disease; and …showed first 75 words of 1060 total…

…showed last 75 words of 1060 total…state of their haemoglobin). However, modern medical care has meant that the disease actually now has only a small effect on life expectancy for the average sufferer. 4. Treatment: No treatment is required between crises. A crisis is treated with fluids, oxygen, antibiotics and painkillers. The destruction of red blood cells in a crisis can cause a severe anaemia, which may need to be treated with a blood transfusion. Sufferers need to be immunised against pneumonia.