Wilson's disease is a rare inherited disorder. If both parents carry an abnormal gene for Wilson's disease, there is a 25% chance that each of their children will develop the disorder (i.e., it is an autosomal recessive disease). Wilson's disease causes the body to absorb and retain excessive amounts of copper. The copper deposits in the liver, brain, kidneys, and the eyes. The deposits of copper cause tissue damage, death of the tissues, and scarring, which causes the affected organs to stop functioning properly. Liver failure and damage to the central nervous system (brain, spinal cord) are the most predominant, and the most dangerous, effects of the disorder. If not caught and treated early, Wilson's disease is fatal. It is most common in eastern Europeans, Sicilians, and southern Italians, but may occur in any group. The disorder most commonly appears in people under 40 years old. In children, the symptoms begin to be expressed by around 4 years old.
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