Incurable disease

There is a disease in which a person simply ceases to sleep and dies. The illness is called "Fatal familial insomnia." It is passed only by inheritance and is considered incurable. No sleeping pills do not help. Fatal familial insomnia - a rare incurable hereditary disease in which the patient dies from lack of sleep. Only 40 known families affected by the disease. The disease begins between the ages of 30 to 60 years, an average of 50. The disease lasts from 7 to 36 months, after which the patient dies. Are 4 stages of disease development. The patient suffers from severe insomnia increasingly, panic attacks and phobias. This stage lasts approximately 4 months. Panic attacks are a serious problem, and they are joined by a hallucination. This phase lasts approximately 5 months. Complete inability to sleep, followed by rapid weight loss. This phase lasts approximately 3 months. The patient no longer speak or react to the surrounding. This is the last stage of the disease, which lasts an average of 6 months, after which the patient dies. As the disease is transmitted dominant allele, if none of the parents is ill, all their children will be healthy. If one parent is sick (and of his parents became ill only one), children get sick with a probability of 50%. (The exception is a mutation, but they are extremely rare).

Source: ru.wikipedia.org/wiki/%D0%A4%D0%B0%D1%82%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F_%D1%81%D0%B5%D0%BC%D0%B5%D0%B9%D0%BD%D0%B0%D1%8F_%D0%B1%D0%B5%D1%81%D1%81%D0%BE%D0%BD%D0%BD%D0%B8%D1%86%D0%B0