Апреля 24, 2018


Not just heart, prolonged sitting bad for brain too

17 Апреля 2018, 06:51 | Winifred Adams

Man sitting in office

Physical Activity is a Must! Sitting for Extended Time Can Affect Heart as well as Brain

With the study suggesting that sitting and poor memory might be linked to each other due to the effect of sedentary behavior on the medial temporal lobe, the researchers believe that their findings serve as a dire warning to couch potatoes, as regular exercise didn't seem to "undo the damage" done by sitting. 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.

It might be time to ditch the desk chair: A brand-new research study links sitting excessive every day with memory issues in middle-age and older grownups. This means that the longer a person sits at a stretch, the worse the effects could be.

The study from the University of California carried out its research on 35 people aged between 45-65. UCLA biostatistician and study lead author Prabha Siddarth was also quoted by the Los Angeles Times as saying that "better ways to measure patterns of sedentary behavior" might be needed in upcoming studies.

They answered questions about their physical activity levels and the average number of hours per day they spent sitting over the previous week.

In addition, thefindings are preliminary, and although the studyfocused on hours spent sitting, it did not take into consideration whether participants took breaks during long stretches of sedentary behavior.

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Perhaps most shocking was that, according to the researchers, "physical activity, even at high levels, is insufficient to offset 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.

In the future, researchers are aiming to find out whether sitting actually causes brain thinning and what role gender, race and weight might play in brain health in relation to sitting.

Participants stated that they spent an average of 3 to 7 hours a day in chairs.

The study recieved support from the National Institutes of Health, Department of Energy, the McLoughlin Gift Fund for Cognitive Health, the Larry L. Hillblom Foundation, Fran and Ray Stark Foundation Fund for Alzheimer's Disease Research, Ahmanson Foundation, Lovelace Foundation, the Sence Foundation, the UCLA Claude Pepper Older Americans Independence Center funded by the National Institute on Aging, AFAR, the John A. Hartford Foundation and the Centers of Excellence National Program.

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