Staying active may help prevent dementia

Monday, July 14, 2014 (HealthDay News)-Physical activity in middle age seems to help reduce your risk Alzheimer’s disease And other types dementia, Propose discoveries from two new studies.

“In our study, exercise It is beneficial to cognitive function at various levels, especially in middle age, “said Dr. Jonas Geda of the Mayo Clinic. Alzheimer’s disease Association news release.

“These are interesting results, but not yet definitive. Further research is needed to determine the scope and nature of physical activity to protect against MCI. [mild cognitive impairment] And dementia“Geda added.

One study included 280 older people who were asked about their lifelong physical activity levels. The median age of research volunteers was 81 years. This means that half are under that age and half are over 81 years old. All study participants showed early signs of memory and thinking problems (mild cognitive impairment). For people with mild cognitive impairment Alzheimer’s disease..

About three years later, researchers found that people with a history of moderate physical activity in middle age had a significantly reduced risk of developing the disease. dementia..

Light or intense exercise Levels of physical activity in middle-aged or later years were not associated with a reduced risk of developing mild cognitive impairment dementia..

The second study included 1,830 older people with normal memory and thinking abilities who were asked about their levels of physical activity in middle and late life and were followed up for an average of just over three years.

Mild physical activity in middle and late life was associated with a reduced risk of developing mild cognitive impairment, as was active middle and middle age physical activity.

Neither study is designed to prove it exercise Can directly cause a drop in the rate of dementia Or Alzheimer’s diseaseThey were designed to find links between these factors.

Both studies were conducted by Mayo Clinic researchers on Monday. Alzheimer’s disease International Conference of the Association in Copenhagen, Denmark. The findings presented at the conference are generally considered preliminary until published in a peer-reviewed journal.

“Determine more specifically the factors that raise or lower risk Alzheimer’s disease And other dementia are an integral part of the fight against us Alzheimer’s disease Epidemic. ” Heather Snyder, director of the medical sciences division of the Alzheimer’s Association, said in a news release.

“We are now getting a clearer idea of ​​behavioral changes and opportunities to reduce risk from other health factors. We may change the risk and protective factors of Alzheimer’s disease in our lives. I’m learning what I can’t do, “she said of her research.

–Robert Preidt

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Source: Alzheimer’s Disease Association, News Release, July 14, 2014

Staying active may help prevent dementia

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