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Loneliness found to increase the risk of health deterioration in older adults

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The loneliness often experienced by older people in our society has a negative effect on their physical health, according to researchers from Amsterdam UMC and the University of Glasgow. Emiel Hoogendijk, epidemiologist at Amsterdam Public Health, analyzed research results from more than 130 studies and found that loneliness led to an increase in physical frailty, which in turn increases the risk of adverse health outcomes such as depression, falls and cognitive decline. These results are published today in The Lancet Healthy Longevity.

"Recently, and especially during the COVID-19 pandemic, there is more attention for the potential harmful effects of and on the health of older people. We wanted to see how far these effects went and saw that all kinds of reduced social functioning, such as loneliness, social isolation and lack of social support, were associated with physical decline in ," says Hoogendijk.

Led by Peter Hanlon, clinical research fellow at the University of Glasgow, along with researchers from Amsterdam UMC, Canada, Australia and Sweden, researchers analyzed the relationship between social functioning and physical frailty in older adults. "Frailty refers to a lot of different forms of physical deterioration, such as , reduced walking speed and decrease in muscle strength. These can all then have an effect on, for example, how likely you are to fall," says Hanlon.

Previous research has already indicated that frailty can lead to a decrease in social contact, "In some cases, physical vulnerability can also cause people to lose social contacts or become lonelier, for example because they become less mobile," says Hoogendijk. This research shows that this relationship can also be reversed, with a decrease in social contact leading to frailty.

Impaired social functioning can have harmful effects on health, with the US Surgeon General claiming last year that loneliness is just as harmful as smoking 15 cigarettes per day.

"We know that people with feelings of loneliness or with a lack of social contacts have a higher risk of, among others, depression and various chronic diseases. For example, a lack of can have a direct effect on the , but it can also have an indirect effect on health, for example through an unhealthier lifestyle. We want to do more research into this in the coming period," says Hoogendijk.

Impaired social and physical functioning often occur at the same time. "Older people who are physically vulnerable often also have to deal with a decline in both social and mental functioning. As we are caring for older adults, we need to pay attention to all of these aspects," says Hanlon.

"Loneliness, for example, is not an easy problem to solve. However, there is more and more knowledge available about possible effective interventions, including activities that support older people to increase their social connections."

More information: The Relationship between frailty and social vulnerability: A systematic review of observational studies, The Lancet Healthy Longevity (2024).

Provided by Amsterdam University Medical Center
Citation: Loneliness found to increase the risk of health deterioration in older adults (2024, February 29) retrieved 24 April 2024 from https://medicalxpress.com/news/2024-02-loneliness-health-deterioration-older-adults.html
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