Prolonged Sitting Linked to Brain Shrinkage and Increased Risk of Dementia as per Study Findings - Prolonged sitting reduces brain size and increases potential for dementia, research reveals
Prolonged Sitting Linked to Brain Shrinkage, Cognitive Decline, and Increased Dementia Risk
Sedentary behavior, particularly for extended periods, has emerged as a significant concern in maintaining brain health and preventing dementia. The impact of prolonged sitting, common among office workers and those with a sedentary lifestyle, can lead to devastating effects on cognitive performance and potentially, the onset of dementia.
Brain Shrinkage
Studies reveal that prolonged sedentary behavior in older adults is associated with brain shrinkage, particularly in regions susceptible to Alzheimer's disease. This shrinkage is more pronounced in the hippocampus, a critical area for memory formation. The increased sedentariness is thought to contribute to cerebral and systemic vascular dysfunction and inflammation, which may accelerate neurodegeneration.
Cognitive Decline
More time spent sitting is associated with worse cognitive outcomes. Older adults who spend prolonged periods sitting exhibit memory decline and slower information processing. Even regular exercise is unable to completely counteract the negative effects of prolonged sitting on cognitive performance.
Dementia Risk
Sedentary behavior has been linked to an increased risk of Alzheimer's disease, particularly among individuals carrying the APOE-e4 gene, a major genetic risk factor. Reducing sedentary time may help protect brain health and lower Alzheimer's risk, potentially to the same extent as increasing exercise.
In conclusion, limiting prolonged sitting through periodic movement during the day could be a vital strategy for preserving brain health and reducing the risk of dementia. Adopting a more active lifestyle could prove beneficial in maintaining cognitive function and warding off the potential onset of dementia.
Incorporating vocational training, such as science-based health-and-wellness programs, into community policy may promote regular movement and encourage a less sedentary lifestyle, potentially mitigating the risks associated with brain shrinkage, cognitive decline, and increased chances of dementia. Regular mental-health therapies-and-treatments, in addition to vocational training, could further support overall brain health by managing stress and promoting cognitive resilience.
