Alzheimer's disease (AD) is a progressive, irreversible brain disorder with no known cause or cure. It attacks and slowly steals the minds of its victims. It stops the person from forming accurate perceptions of the world around them. Symptoms of the disease include memory loss, confusion, impaired judgment, personality changes, disorientation, and loss of language skills. The first symptoms of Alzheimer's may be hard to tell from the normal signs of aging; forgetting names, forgetting …showed first 75 words of 560 total…

…showed last 75 words of 560 total…as tacrine may alleviate some cognitive symptoms. Donepezil rivastigmine may keep some symptoms from becoming worse for a limited time. Also, some medications may help control behavioral symptoms such as sleeplessness, agitation, wandering, anxiety, and depression. Scientists still need to learn a lot more about what causes AD. In addition to genetics and apoE, they are studying education, diet, environment, and viruses to learn what role they might play in the development of this disease.