Tag Archives: cognitive impairment

Lower hand grip strength associated with cognitive impairment

Older adults with a weaker hand grip were more likely to be cognitively impaired than those with a stronger grip, according to an NIA-funded study in the Journal of Alzheimer’s Disease. The findings suggest that hand grip strength may be a potential low-cost, easy way to help detect cognitive impairment and, in combination with other measures, to identify people who may benefit from early interventions.

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A team led by researchers from North Dakota State University looked at data over an eight-year period from almost 14,000 people, age 50 or older, in the NIA-supported Health and Retirement Study. A handheld instrument called a dynamometer was used to assess hand grip strength, and a modified screening tool from the Mini-Mental State Examination was used to measure cognitive function every two years. Of the 13,828 participants who were assessed, 1,309 had some degree of cognitive impairment. Continue reading

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Moving More in Old Age May Protect Brain from Dementia

Older adults who move more than average, either in the form of daily exercise or just routine physical activity such as housework, may maintain more of their memory and thinking skills than people who are less active than average, even if they have brain lesions or bio-markers linked to dementia, according to a study by Rush University Medical Center.adult man playing a musial instrument

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The study results were published in the online issue of Neurology, the medical journal of the American Academy of Neurology. Continue reading

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Lowering blood pressure could help prevent cognitive impairment – Study

Significant reductions in the risk of mild cognitive impairment (MCI)*, and the combination of MCI and dementia**, have been shown for the first time through aggressive lowering of systolic blood pressure in new research results from the federally-funded SPRINT MIND Study reported at the Alzheimer’s Association International Conference (AAIC) in Chicago.

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“This is the first randomized clinical trial to demonstrate a reduction in new cases of MCI alone and the combined risk of MCI plus all-cause dementia,” said Jeff D. Williamson, MD, MHS, Professor of Internal Medicine and Epidemiology and Chief, Section on Gerontology and Geriatric Medicine at Wake Forest School of Medicine. Williamson reported these results at AAIC 2018.

The results of this large-scale, long-term clinical trial provide the strongest evidence to date about reducing risk of MCI and dementia through the treatment of high blood pressure, which is one of the leading causes of cardiovascular disease worldwide.

“This study shows more conclusively than ever before that there are things you can do — especially regarding cardiovascular disease risk factors — to reduce your risk of MCI and dementia,” said Maria C. Carrillo, PhD, Alzheimer’s Association Chief Science Officer. “To reduce new cases of MCI and dementia globally we must do everything we can — as professionals and individuals — to reduce blood pressure to the levels indicated in this study, which we know is beneficial to cardiovascular risk.”

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A Simple Test Could Help Identify Thinking Problems

This is another helpful piece of information on the workings of the brain and aging.

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Tony

Our Better Health

Test identifies smaller brain volume and problems with thinking.

A simple saliva test could help identify thinking problems in older people, a new study finds.

The study found a connection between the stress hormone cortisol and thinking skills.

Higher cortisol levels in the evening were linked to worse thinking skills and smaller brain volumes.

Dr Lenore J. Launer, one of the study’s authors, said:

“Studies have shown that depression increases the risk for dementia, but we don’t know much about how this relationship occurs.
High levels of the stress hormone cortisol have been found in people with depression, and the theory is that cortisol has a toxic effect on the hippocampus area of the brain, which plays an important role in memory.”

The study included data from 4,244 people who did not have dementia.

cortisol test saliva

Dr Launer said:

“Since this study just looked at a snapshot in time, we don’t know…

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