The research study consisted of 35 individuals in between the ages of 45 and 75. With every hour of sitting every day, there was an observed reduction in brain density, inning accordance with the research study.
"Thus, the finding that more sedentary time is associated with less thickness in MTL is clinically relevant", the authors wrote, adding that this behavior may be "a possible target for interventions created to improve brain health" for adults who were middle-aged and older adults. This was done using the self-reported International Physical Activity Questionnaire modified for older adults (IPAQ-E).
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.
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Earlier research study has actually connected inactive habits to an increased threat of heart problem, diabetes and sudden death in middle-age and older grownups. Future research project will aim to check the role gender, race, and weight might play in the negative effects of long periods of sitting each day. The study done by researchers from the University of California Los Angeles found that too much sitting caused a thinning of the medial temporal lobe (MTL) - a region of the brain often implicated in the formation of new memories. They asked the participants questions on their physical activity levels, and about the average number of hours they spent sitting during the previous week. The brains of the subjects were scanned via high-resolution MRI to assess the thickness of their medial temporal lobes - the part of the brain crucial to the creation and storage of memories.
The researchers write, "Sedentary behavior is a significant predictor of thinning of the [medial temporal lobe] and that physical activity, even at high levels, is insufficient to offset the harmful effects of sitting for extended periods".
Participants stated that they spent an average of 3 to 7 hours a day in chairs.
The study was supported by grants from various funders including the National Institutes of Health, the U.S. Department of Energy and the McLoughlin Cognitive Health Gift Fund.