Alzheimer's disease is a brain disorder characterized by the progressive deterioration of mental abilities is leaving. Type of rapidly progressive in the age of 36-45years can be seen. Gradually, slowly progressive type where symptoms begin about age 65-70 years old. Alzheimer's disease is 2 to 5 percent of the elderly people and sometimes attacks on younger people. It seems that Alzheimer's disease is caused by deterioration of cells Hippo Camp area usually produces a large amount of acetylcholine produced. Brain cells or neurons that are affected by the plaques and a large number die. And acetylcholine affected area of the brain are involved in the formation of new memories is why one of the main symptoms of Alzheimer's inability to consolidate a new learning (eg reminders new address) and the difficulty in navigation. But memories of the events are usually less damaged.

Shahin Asadi,student of Molecular Genetics, Studied Molecular Biology at Tabriz Islamic Azad University Sciences.BS.Moleculer and Cellular Biology-Genetics,MS.c Moleculer Biology and Genetics Director of research, nuclear researcher of the National Center for Genetic Engineering and Biotechnology in Iran.

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