Disease Jakob (CJD) or mad cow is a neurological disease and fatal analysis, winner of the brain in humans is in effect, the prion, can be created. This disease in the 1920's by two nerve gourmet German called Hans Gerhard and Alphonse Maria Jacob was described.

This disease, men and women in equal proportions, in about 60 years of age caught. Patients with psychiatric symptoms and behavioral vague, can be that after weeks and months, dementia, progressive can be ended, and often with movements of abnormal body, and impaired vision was associated.

now, this disease, the treatment is not allowed, and in less than a year from onset of symptoms to death can be ended. Sometimes patients more resistant for up to two years also survive. Dissecting these patients, create cavities in the brain spongy and it shows.