Overall Near Zero. Memory Still Mixed.

Pooled human experiments do not show that a silent, unused smartphone merely sitting on a desk reliably lowers overall cognitive performance. Working memory may show a small effect, but syntheses disagree.

Evidence Literacy · 5 min read · July 25, 2026

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Overall Near Zero. Memory Still Mixed.

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You Exercise—But Is Your Workday One Long Sit?

Randomized crossover evidence finds lower post-meal glucose and insulin responses, on average, when prolonged sitting is interrupted with brief activity. That does not mean a short walk “cancels” sitting, prevents disease, or gives everyone the same timer.

Lifestyle Foundations · 4 min read · July 22, 2026

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