Dementia Risk Raised With Build Up of Stress

by Tanya Thomas on  August 18, 2010 at 10:58 AM Senior Health News
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 Dementia Risk Raised With Build Up of Stress
The build up of psychological stress in middle age, a new research from the University of Gothenburg, Sweden, has found, could lead to the development of dementia later in life.

Based on data from a study, which followed women for 35 years, this is the first research in Sweden to indicate a link between stress and dementia.

The research is based on a major population study of women from Gothenburg. A representative sample of women were examined for the first time in 1968 when aged between 38 and 60, and then re-examined in 1974, 1980, 1992 and 2000.

A question about psychological stress was included in the 1968, 1974 and 1980 surveys and was answered by 1,415 women.

"Stress was defined as a sense of irritation, tension, nervousness, anxiety, fear or sleeping problems lasting a month or more due to work, health, family or other problems," said Lena Johansson, a researcher from the Neuropsychiatric Epidemiology Unit at the Sahlgrenska Academy's Department of Psychiatry and Neurochemistry at the University of Gothenburg.

During the 35 years of the study, 161 of the participants developed dementia, mainly in the form of Alzheimer's disease.

The risk of dementia was about 65 percent higher in women who reported repeated periods of stress in middle age than in those who did not. In women who reported stress in all three surveys, the risk more than doubled.

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