Sedentary behavior is associated with poorer cognition in older adults
A review of older adults linked greater sedentary behavior with worse cognition and brain health overall. Results varied with how sedentary behavior was measured and classified, and do not establish causation.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Among older adults, greater sedentary behavior was generally associated with poorer cognition and brain health in the reviewed studies. The pattern was not consistent across ways of measuring and classifying sedentary behavior. These associations do not show that sedentary behavior caused poorer outcomes, or that reducing it would improve thinking abilities.
The abstract does not identify the individual cognitive tests or brain measures, provide association sizes or describe follow-up lengths. It therefore cannot show which outcomes had the clearest links or how large those links were.
What the review examined
Researchers examined sedentary behavior alongside cognition, meaning thinking abilities, and brain health. Including older adults across the cognitive spectrum made the question broader than whether the association existed only among people with a particular diagnosis.
Why definitions affected the result
The authors reported that associations varied according to how studies measured and grouped sedentary behavior. This makes the measurement approach part of interpreting the evidence, rather than assuming every study examined the same pattern of behavior.
The original publication
Sedentary behavior, cognition, and brain health in older adults: a systematic review.
Gogniat MA, Won J, Cruz C et al.
Front Aging Neurosci · 2025
- PubMed ID
- 40697359
- Record checked
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