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Taxi drivers rarely die of Alzheimer’s – how complex mental maps and spatial reasoning protect your brain

  • A 2024 study of nearly 9 million U.S. death certificates found taxi and ambulance drivers were less likely than workers in almost any other job to die of Alzheimer’s disease.
  • Researchers concluded that continuous, real-time navigation—not driving itself—was linked to the lower Alzheimer’s disease risk.
  • The hippocampus can build maps from viewpoints outside a navigator’s own position.
  • Researchers found London taxi drivers had more gray matter in the posterior hippocampus.
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Taxi drivers rarely die of Alzheimer’s – how complex mental maps and spatial reasoning protect your brain

Working with and living in spatially complex environments may help delay cognitive decline, though more research is needed.

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Marietta Daily Journal broke the news in Georgia, United States on Tuesday, September 22, 2026.
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