Stability in BMI over time is associated with a better cognitive trajectory in older adults.

Alzheimers Dement · 2022 · PMC9296696 · PMID 35049119

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did not reach statistical significanceno p-value reported

Both declines and increases of 5% or more from first to last BMI, and from mean BMI to first BMI, compared to stable BMI (<5% change) were associated with faster decline in all cognitive domains; for executive functions, those whose BMI increased did not reach statistical significance.

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