Why Too Much Exercise May Age the Brain Instead of Protecting It
This review suggests brain benefits from exercise depend on consistency rather than extreme volume.
Exercise is great for the aging brain, but the picture is messier than 'more is better'. This review of mostly animal research looked at p21, a protein tied to cells shutting down with age. Steady, moderate exercise calmed p21 stress signals in the brain, while extreme overload (forced excessive swimming in rodents) drove lasting p21 activation, oxidative damage and worse memory. The authors say exercise looks more like a stress preventer than a true senolytic for the brain.
Disclaimer: Research summaries are provided for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional before making changes to your health routine.
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