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Study finds link between using your phone and lower risk of cognitive decline — after a certain age
Meta-analysis of 57 studies involving over 400,000 adults found phone and tablet use linked to 42% lower cognitive impairment risk and 74% slower decline.
- On Dec 8, 2025, a meta‑analysis published in Nature Human Behavior found device users had a 42% lower risk of cognitive impairment and a 74% lower rate of cognitive decline among adults over 50.
- Amid concerns about 'digital dementia', the team tested whether everyday phone use affects cognition, noting mechanisms like social connection and phones as cognitive aids.
- The meta-analysis covered more than 400,000 adults over 50 with an average age of 69, pooling 57 previously published studies.
- Researchers found no evidence that phone use raises cognitive decline risk, but authors warned more research is needed to clarify how older adults might benefit.
- While the study focuses on older adults, pediatric health risks including depression, poor sleep and obesity link early smartphone use to harm, contrasting claims of 'digital dementia'.
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Total News Sources19
Leaning Left1Leaning Right0Center17Last UpdatedBias Distribution94% Center
Bias Distribution
- 94% of the sources are Center
94% Center
C 94%
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