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Marathon Running Temporarily Impairs Brain Function, Study Finds

4/7/2025

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Summary

Story summary

Marathon running may take a toll on the brain, as a recent study in Nature Metabolism Journal reveals. MRIs of ten runners post-race showed a temporary drop in myelin levels, affecting motor skills and sensory processing. Fortunately, this decline is not permanent, with recovery expected within two months, echoing previous research on exercise's impact.

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Story summary

Marathon running may take a toll on the brain, as a recent study in Nature Metabolism Journal reveals. MRIs of ten runners post-race showed a temporary drop in myelin levels, affecting motor skills and sensory processing. Fortunately, this decline is not permanent, with recovery expected within two months, echoing previous research on exercise's impact.