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  "path": "/articles/d41586-026-00414-1",
  "publishedAt": "2026-02-13T05:08:32.976Z",
  "site": "https://www.nature.com",
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  "textContent": "Nature, Published online: 12 February 2026; doi:10.1038/d41586-026-00414-1\n\nThe more mice exercise, the more connections form between some neurons in their brains, study finds.",
  "title": "Exercise rewires the brain — boosting the body’s endurance",
  "updatedAt": "2026-02-12T00:00:00.000Z"
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