Loneliness and Isolation as Risks to Life Itself
Across 70 studies and more than three million people, loneliness, social isolation and living alone each raised the risk of early death by around a quarter to a third.
Emotional Health, Longevity, Holistic Wellbeing, Stress Management
If strong relationships lengthen life, this meta-analysis examined the other side of the ledger, and separated three things often blurred together: loneliness, the painful feeling of being alone; social isolation, the objective fact of few contacts; and simply living alone. Pooling 70 studies following more than three million people, the authors found that all three independently predicted higher odds of early death, with increases in the region of a quarter to a third. Crucially, loneliness and isolation each carried risk on their own, meaning a person can be surrounded by others and still be endangered by feeling alone, and equally can live a solitary life without the same harm if it is not experienced as isolating. One of the more striking observations was that the effect was not smaller in younger samples, countering the assumption that this is only a concern of old age. The authors placed the magnitude alongside well-accepted mortality risks, arguing that social factors deserve the same public-health attention as physical ones. Where the evidence stops: as with all such data it is observational, and ill health can both deepen isolation and shorten life, complicating cause and effect. The practical message is nonetheless clear and, for a midlife readership, timely: attending to connection is not sentimentality but a legitimate part of protecting long-term health.
