BBC Science Focus

You Y are not alone

Loneliness is worse for you than smoking, and more harmful than obesity. As the number of lonely people in the UK swells, we investigat­e why feeling alone literally hurts, and how we can stop it from making us ill

- WORDS: MOYA SARNER

Why is loneliness reaching epic proportion­s?

Today, society is becoming ever more divided. But if there is one thing that’s bringing everyone together, it’s loneliness. Scientists, doctors, charity workers and politician­s from across the political spectrum all agree that loneliness is a big problem. A report published in December 2017 by the Jo Cox Commission revealed the staggering extent of loneliness in the UK. Almost one-quarter of parents surveyed by the charity Action for Children said they were “always or often lonely”, more than one-third of people aged 75 and over told Independen­t Age that their “feelings of loneliness are out of their control”, and over the course of a year more than 4,000 children called Childline because they felt unbearably lonely – some as young as six years old. One recent study found that nine million adults in the UK suffer from chronic loneliness: if all the lonely people moved to one city, it would be bigger than London.

This isn’t just sad – it’s dangerous. Research shows that experienci­ng chronic loneliness is as bad for our health as smoking 15 cigarettes a day, and worse than obesity. It is associated with an increased risk of developing coronary heart disease and stroke, and increases your likelihood of early mortality by 26 per cent. But how does this happen? How can an emotional experience be so bad for our physical health? Prof Steve Cole, a medicine and genomics researcher at the University of California, Los Angeles, says part of the answer may

 ??  ?? ABOVE: In one study, MIT researcher­s have found that feelings of loneliness can be traced to the brain’s dorsal raphe nucleus (pictured)
ABOVE: In one study, MIT researcher­s have found that feelings of loneliness can be traced to the brain’s dorsal raphe nucleus (pictured)
 ??  ?? RIGHT: In January this year, Tracey Crouch was appointed the minister for loneliness, in response to rising levels of loneliness and social isolation
RIGHT: In January this year, Tracey Crouch was appointed the minister for loneliness, in response to rising levels of loneliness and social isolation

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