Age and cognitive skills: Use it or lose it.

Sci Adv · 2025 · PMC11881919 · PMID 40043134

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highly significantno p-value reported

Going from no monthly usage of skills to at least monthly usage in all of the measured usage categories (i.e., from 0 to 1 on the usage index) is associated with an average annual increase in skills by a statistically highly significant 0.108 SD in literacy and 0.100 SD in numeracy (columns 1 and 6).

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