A study by the University of California, San Diego found that women who did more moderate-to-high-intensity activities, such as brisk walking, had a lower risk of developing Alzheimer’s disease. Spouses of state leaders and former German skier Christian Neureuther performed Nordic walking during the G7 summit in Germany last June. (European News Agency file photo)
[Compiled Guan Shuping/Comprehensive Report]A study of more than 1,200 women at the University of California, San Diego found that women who engaged in more brisk walking and moderate to vigorous physical activity every day were more likely to develop Alzheimer’s disease. The risk is low.
The research report published in the journal “Alzheimer’s and Dementia: The Journal of the Alzheimer’s Association” on the 25th pointed out that women over the age of 65 performed moderate to high-intensity physical activity every day. Walking for 31 minutes was associated with a 21 percent reduction in dementia risk; every 1,865 additional steps walked per day was also associated with a 33 percent reduction in dementia risk.
“Given that dementia begins 20 years before symptoms appear, early intervention is critical to delay or prevent dementia in older adults,” said lead author Andrea LaCroix, professor of family medicine and public health at UC San Diego. Cognitive decline and dementia in adults are critical.”
The researchers collected data from 1,277 women participating in two affiliated studies of the National Institutes of Health (NIH) Women’s Health Study (WHI). Daily physical activity and time spent sitting still. Tracking showed that these women took an average of 3216 steps per day, performed 276 minutes of light physical activity, 45.5 minutes of moderate to vigorous intensity activity, and sat for 10.5 hours per day.
Light physical activity includes doing housework, gardening, or walking; moderate to vigorous activity includes brisk walking. The researchers cross-referenced these activity time data with mild cognitive impairment and probable cases of dementia in the WHI to reach their conclusions. However, the study also found that longer periods of sitting and prolonged sitting were not associated with a higher risk of mild cognitive impairment or dementia.
“Physical activity has been identified as one of the three most promising ways to reduce the risk of dementia and Alzheimer’s disease,” La Cruz said. “Prevention is important because once dementia is diagnosed, it is very difficult to slow or reverse it. There is no cure for this.”
Encouraging older adults to increase their physical activity to at least a moderate level and take a few extra steps a day can reduce the risk of cognitive impairment and dementia, the researchers said.
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