Normal Brain in 115-year-old Woman Questions Theory of Alzheimer's Inevitability

by Rajshri on  June 11, 2008 at 4:59 PM Senior Health News
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Researchers have concluded that there is no basis in the theory that Alzheimer's disease is inevitable as age proceeds after studying the normal brain of a Dutch woman who died at the age of 115.

"Our observations suggest that, in contrast to general belief, the limits of human cognitive function may extend far beyond the range that is currently enjoyed by most individuals, and that improvements in preventing brain disorders of aging may yield substantial long-term benefits," according to a study led by Prof. dr. Gert Holstege of University Medical Centre Groningen, The Netherlands.

The researchers revealed that the woman had made necessary arrangements to donate her body to science after death, when she was 82.

Her body was donated to science when she died at age 115, they said.

"She was very enthusiastic about her being important for science," Holstege said.

He further said that his team found the patient to be "an alert and assertive lady, full of interest in the world around her, including national and international politics and sports."

He said that the research team's key finding was the absence of brain abnormalities typical of Alzheimer's disease.

There were almost no deposits of a substance called beta-amyloid, which are characteristic of Alzheimer's patients, he added.

Holstege revealed that the subject had lived independently until moving to a residential care home at age 105, mainly because of poor eyesight. Ironically, she had been very small at birth and was not expected to survive.

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