Is loneliness really a killer?

The evidence is unclear, but what's certain is that it's bad for quality of life

The evidence is unequivocal, says a US professor of psychology, that loneliness and social isolation predict an increased risk of premature mortality.


Dr Julianne Holt-Lunstad and colleagues note that “advancing social connection” should be a public health priority given the links of loneliness to cardiovascular disease, Alzheimer’s disease, stroke and insomnia.

At the annual American Psychological Association meeting earlier in 2017, Dr Holt-Lunstad presented the results of two meta-analyses of loneliness and premature death.

One study of more than 300,000 people concluded