Reasoning performance

1. Reasoning performance lowers the risk of atrial fibrillation in humans (aHR 1.21, 95% CI 1.03-1.43 for poorer performance).

   “poorer performance in reasoning (aHR:1.21, 95% CI: 1.03, 1.43) and processing speed (aHR:1.23, 95% CI: 1.03, 1.47) was associated with a higher risk of new-onset AF.”

   Humanspoorer performance in reasoning vs better performancen = 377,248

   Cognitive Impairment and Incident Atrial Fibrillation in Individuals without Stroke: Evidence from Two Prospective Cohort Studies and Mendelian Randomization Analysis

   European journal of preventive cardiology·7 Jul 2026

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