Social disconnection and mortality: new evidence for old truths

Published on August 19, 2023

Like a tree needs a forest, humans need social connections to thrive. A recent meta-analysis of 90 studies, involving over two million adults, reveals the shocking impact of social isolation and loneliness on mortality rates. The findings show that individuals who lack meaningful social interactions face a significantly higher risk of dying from any cause. Furthermore, those already battling cardiovascular disease or cancer are especially vulnerable to the detrimental effects of social disconnection. It’s like being stranded on an island without any means of escape. While some may argue that experiencing loneliness is a natural part of life, this research emphasizes the critical importance of maintaining strong social bonds for long-term health and well-being. By shedding light on these old truths, scientists hope to encourage individuals, communities, and policymakers to prioritize efforts towards fostering social connection and combatting the detrimental consequences of isolation.

In an updated meta-analysis of 90 prospective studies with over two million adults, Wang et al. found that social isolation and loneliness were linked to a substantial increase in all-cause mortality in the general population. They also discovered a higher mortality risk in isolated individuals with cardiovascular disease (CVD) or cancer.

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