Medicine

Researchers link sedentary behavior to thinning in brain region critical for memory

Researchers link sedentary behavior to thinning in brain region critical for memory

As jobs have shifted from manual work to office work, the workforce sitting in front of computer is at higher risk of heart disease, diabetes and higher blood pressure.

Excessive sitting is bad for your physical health - and your brain too, finds a new study. Furthermore, it's such thinning of brain features that become more prominent in people who suffer from dementia, the Los Angeles Times added.

A lot of us need to do a lot of sitting as part of our jobs, and it's not uncommon for today's people, in general, to sit down for long periods of time.

"Reducing sedentary behavior may be a possible target for interventions created to improve brain health in people at risk for Alzheimer's disease", the scientists said. The current study was led by Prabha Siddarth of the Semel Institute for Neuroscience and Human Behavior at UCLA.

The researchers studied 35 people between 45 to 75 years old.

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They add that this was a small study and more detailed and larger studies are necessary to come to conclusions regarding extended periods of sitting and brain health. This was done using the self-reported International Physical Activity Questionnaire modified for older adults (IPAQ-E). The researchers noted that sedentary behaviour is a significant predictor of thinning of the MTL and that physical activity, even at normal states, is inadequate to ward off the harmful effects of sitting for extended periods. With the help of the MRI scans, the researchers could closely observe the medial temporal lobe (MTL), an area of the brain critical for memory formation.

After the brain scans, each was assessed on how long they spend on a chair all day, and the results showed that those who sat for longer ended up having thinner brain structures.

In addition, thefindings are initial, and although the studyfocused on hours invested sitting, it did not take into account whether individuals took breaks throughout long stretches of inactive habits. They would likewise want to check out the function gender, weight and race play in the result on brain health to sitting, inning accordance with the declaration.

The study was supported by grants from various funders including the National Institutes of Health, the U.S. Department of Energy and the McLoughlin Gift Fund for Cognitive Health.


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