Meta-analysis¶

Type: Evidence
Confidence: ★★★★★ Established

Evidence Graph¶

Summary¶

Meta-analysis by Holt-Lunstad et al. 2010 in PLoS Medicine analyzed 148 studies with 300,000+ participants. Found social connection reduces all-cause mortality by 50%, effect comparable to quitting smoking.

Timeline¶

Added to Knowledge Graph: 2026-02-04 13:25 UTC

This entity has been in the knowledge graph since 2026-02-04 and remains active.

Relationships¶

Supported By¶

• BASED_ON: Social connection
  The finding about social connection reducing mortality is based on a meta-analysis 📚 Mentioned in 1 episode(s)

Supports¶

• CONDUCTED_BY: Holt-Lunstad et al. 2010
  The meta-analysis was conducted by Holt-Lunstad et al. 2010 📚 Mentioned in 1 episode(s)

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Last updated: 2026-02-04