Marathon runners' bodies have a surprising snack — their own brains : Short Wave - NPR

  • |
  • Technology |
  • NPR |
  • 04-05-2025 |
  • 14

Runners compete in the New York Marathon in New York City on November 3, 2024. New research suggests that marathon runners may deplete a fatty substance in their brain called myelin. Photo by DAVID …

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