Alzheimer's Disease
Alzheimer's Disease, progressive brain disorder that causes a gradual and irreversible decline in memory, language skills, perception of time and space, and, eventually, the ability to care for oneself. First described by German psychiatrist Alois Alzheimer in 1906, Alzheimer's disease was initially thought to be a rare condition affecting only young people, and was referred to as presenile dementia. Today late-onset Alzheimer's disease is recognised as the most common cause of the loss of mental function in those aged 65 and over. Alzheimer's in people in their 30s, 40s, and 50s, called early-onset Alzheimer's disease, occurs much less frequently, accounting for less than 10 percent of the estimated 4 million Alzheimer's cases in the United States.
Although Alzheimer's disease is not a normal part of the aging process, the risk of developing the disease increases, as people grow older. About 10 percent of the United States population over the age of 65 is......
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