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Physical activity, more walk-most promising ways to reduce risk of dementia and Alzheimer’s disease


Key points from article :

Senior women were less likely to develop mild cognitive impairment or dementia if they did more daily walking and moderate-to-vigorous physical activity.

Among women aged 65 or older, each additional 31 minutes per day of moderate-to-vigorous physical activity was associated with a 21 percent lower risk of developing mild cognitive impairment or dementia.

The risk was also 33 percent lower with each additional 1,865 daily steps.

“The early intervention for delaying or preventing cognitive decline and dementia among older adults is essential,” said senior author Andrea LaCroix.

"Much of the published ... based on self-reported measures", said first author Steve Nguyen.

They sampled data from 1,277 women as part of two Women’s Health Initiative (WHI) ancillary studies.

The study was carried out at the University of California San Diego and was published in the online edition of Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association.

Prevention is important as once dementia is diagnosed, it is very difficult to slow or reverse

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Alzheimer's & Dementia: Journal of the Alzheimer's Association

The journal publishes study results related to dementia and Alzheimer's Disease

Andrea LaCroix

Professor and Chief of Epidemiology, Family Medicine and Public Health at University of California San Diego

Steve Nguyen

Postdoctoral scholar at UC San Diego

UC San Diego School of Medicine

School for medical and scientific training.

Women’s Health Initiative

Long-term national health study focused on strategies for preventing heart disease, breast and colorectal cancer.