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Source study found

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Diverse and sustained social activities may boost cognition in older age - BMJ Group (opens in a new tab)

bmjgroup.com · 2026-10-21

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Not assessed

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We found a likely source study, but its evidence could not be prepared for claim review. The article's claims remain unverified.

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NewsLink checks it

Source study identified.

A source study was identified, but the study's evidence could not be prepared for claim assessment. No claim verdicts are available.

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3

The source study

Association between social activity and cognitive enhancement among older adults: results from five longitudinal cohort studies

Journal of Epidemiology and Community Health · 2026
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Source paper

Source layer

The 2 papers the story cites

Source study separated from background citations.

The research anchor for the report.

  • The study this story reportsmentioned without context

    10.1136/jech-2025-

    Publisher (opens in a new tab)
  • The study this story reportsmentioned without context

    Association between social activity and cognitive enhancement among older adults: results from five longitudinal cohort studies

    Journal of Epidemiology and Community Health · 2026

    Publisher (opens in a new tab)
Then inspect each claim

Evidence layer

Claim by claim

A source study was identified, but the study's evidence could not be prepared for claim assessment. The claims below have not been assessed.

Claim 1 of 5Not checkedDiverse and sustained social activities may boost cognitive performance and slow the decline in brain health associated with ageing, suggest findings from a large international study published online in the Journal of Epidemiology & Community Health.View evidenceHide evidence

Not checked

A source study was identified, but the evidence comparison for this claim was not completed. No verdict has been assigned.

Claim 2 of 5Not checkedRegularly engaging in three or more social activities, including volunteering and sports club membership, seemed particularly effective at helping keep minds sharp.View evidenceHide evidence

Not checked

A source study was identified, but the evidence comparison for this claim was not completed. No verdict has been assigned.

Claim 3 of 5Not checkedAnalysis of pooled long-term data from five nationally representative surveys across 24 countries found that participants who engaged in social activities had significantly higher cognitive z-scores than those who did not, with scores increasing as the number of activities increased.View evidenceHide evidence

As stated57,793 participants; average follow-up about 6 years

Not checked

A source study was identified, but the evidence comparison for this claim was not completed. No verdict has been assigned.

Claim 4 of 5Not checkedVolunteering and sports club membership were associated with a lower risk of cognitive decline across all five survey groups, while attending training courses and taking care of children were associated with higher yearly cognitive z-scores.View evidenceHide evidence

Not checked

A source study was identified, but the evidence comparison for this claim was not completed. No verdict has been assigned.

Claim 5 of 5Not checkedThe researchers and article emphasize that this was an observational study, so it cannot establish cause and effect, and that limitations included inconsistent survey measures and only partial adjustment for confounding factors.View evidenceHide evidence

Not checked

A source study was identified, but the evidence comparison for this claim was not completed. No verdict has been assigned.

Finally, the search trail

Method layer

NewsLink found the paper. Tessa takes you deeper.

NewsLink checks the story. Tessa is where you inspect the paper, authors, evidence, and research context.

Open the paper in Tessa

Association between social activity and cognitive enhancement among older adults: results from five longitudinal cohort studies

Journal of Epidemiology and Community Health · 2026

Source record (opens in a new tab)

Why this one

Confident

NewsLink found the paper. Tessa is where you inspect it deeply.

Papers considered

The selected paper, plus nearby candidates.

Crossref, PubMed, Europe PMC · 16 candidate papers

Selected

Association between social activity and cognitive enhancement among older adults: results from five longitudinal cohort studies

Journal of Epidemiology and Community Health · 2026 · Crossref

Source (opens in a new tab)

And 10 more candidates considered.