2023-11-05 20:06:00
Title: Loneliness and Depression Identified as Risk Factors for Cognitive Decline during the COVID-19 Pandemic
Date: November 5th, 2023
By: Anna Laura Müller
London – A recent study published in the specialist journal, The Lancet, reveals that the corona pandemic has resulted in lasting damage to the mental health and brain performance of older adults. The study, conducted by researchers from the University of Exeter and King’s College in London, analyzed data from the Protect study, a long-term British study aimed at understanding brain aging and reducing the risk of dementia.
The analysis included data from 3,124 participants over the age of 50 who undertook computer-assisted brain function tests before and during the first and second years of the pandemic. Notably, none of the participants had been diagnosed with dementia at the start of the data collection.
The findings indicate a significant decline in short-term memory and problem-solving abilities during the first year of the pandemic (March 2020 to February 2021). Moreover, individuals who already experienced age-related cognitive decline prior to the pandemic showed an even more pronounced deterioration, with performance decreases exceeding 50%. The decline in cognitive abilities continued into the second year of the pandemic (March 2021 to February 2022).
The researchers suggest that this decline is associated with several factors that were restricted during the pandemic, including reduced exercise, increased alcohol consumption, and heightened feelings of loneliness and depression. Lack of physical activity is a well-known risk factor for cognitive decline. The study also highlights that loneliness and depression can contribute to a decline in cognitive abilities and are individual risk factors for dementia.
Despite the concerning findings, the researchers believe it is not too late to take measures to mitigate this decline and reduce the risk of dementia. Previous research has shown that physical activity, the treatment of depression, and engaging in social connections play pivotal roles in maintaining brain health. The researchers urge healthcare systems to pay more attention to this vulnerable group and call on politicians to use the study’s results to prepare for future pandemics.
It is important to note that while age-related decline in memory and concentration is normal, dementia is a distinct set of illnesses that can affect individuals of any age. The study reinforces the understanding of the effects of aging on cognitive function and calls for increased awareness and action to support brain health in older adults.
As the world continues to grapple with the consequences of the pandemic, addressing the mental health and cognitive well-being of older adults remains a crucial priority.]
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