Randomized Trialhigh evidence
Long-Term Improvement in Hippocampal-Dependent Learning Ability in Healthy, Aged Individuals Following High Intensity Interval Training.
Aging and disease·June 27, 2024·PMID 39012673
Why it mattersThis study provides strong evidence that HIIT can durably preserve hippocampal function in aging, offering a specific, scalable intervention to mitigate cognitive decline. The long-term retention and biomarker correlations help clinicians recommend precise exercise regimens for brain health.

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