Being lonely raises risk of heart disease

Being lonely and socially isolated can increase a person’s risk of heart disease or stroke, new research suggests.

The effect loneliness has on the heart is similar to that seen in people who suffer anxiety or have stressful jobs, experts found.

Researchers from the University of York, the University of Liverpool, and Newcastle University reviewed evidence on the impact loneliness has on heart disease and stroke risk.

They examined 23 relevant studies, involving more than 181,000 adults, where 4,628 coronary heart disease, and 3,002 stroke “events” were recorded.

After analysing the data they found that loneliness and isolation were associated with a 29% increase in risk for coronary heart disease and a 32% increase in risk of stroke.

“We found an association between poor social relationships and incident cardiovascular disease comparable in size to other recognised psychosocial risk factors, such as anxiety and job strain,” the authors wrote in the journal Heart.

“Our findings indicate that efforts to reduce the risk of coronary heart disease and stroke could benefit from taking both loneliness and social isolation into account.

“Tackling loneliness and isolation may be a valuable addition to coronary heart disease and stroke prevention strategies.

“Health practitioners have an important role to play in acknowledging the importance of social relations to their patients.”

Previous research has already linked loneliness and social isolation to premature death but until now the but the size of the associated risk to cardiovascular health was unclear.

In a linked editorial, Dr Julianne Holt-Lunstad and Dr Timothy Smith from Brigham Young University in the state of Utah in the US say health workers should inform patients of the importance of social interaction “as part of a healthy lifestyle”.

Medics should also be aware of whether or not their patients are lonely so they can assess whether or not they are at risk.

They call for more research into the use of technology for interaction, saying that while it can boost social interaction, it may also “contribute to problems exacerbating risk”.

They wrote: “With such rapid changes in the way people are interacting socially, empirical research is needed to address several important questions.

“Does interacting socially via technology reduce or replace face-to-face social interaction and/or alter social skills?

“Due to the rapid and instant access afforded, does technology accelerate relationship processes (both positive and negative) leading to accentuation of sociality or lack thereof?

“Do social relationships/interactions via technology have a similar influence health and wellbeing?”

Caroline Abrahams, charity director at Age UK, said: “Not only does loneliness make later life unbearably miserable — as this research shows, it’s awful for our health too.

“We know that lonely older people are more likely to suffer health problems and to require long-term care, have a higher use of medication and need to visit their GP more often. This means that loneliness is placing further pressure on health care social care services — making it an issue that governments simply can’t afford to ignore.”


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