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To protect your brain against dementia, start pedaling, study suggests

Cycling is linked to a 19% lower risk of dementia and a larger hippocampus in nearly 480,000 UK participants, suggesting brain health benefits beyond physical activity alone.

  • The study found cycling linked to a 19% lower all-cause dementia risk and a 22% lower Alzheimer’s risk, with larger hippocampal volume in nearly 480,000 adults from Great Britain.
  • Physical activity has long been linked to lower dementia risk, and the 2024 Lancet Commission named it among 14 factors preventing or delaying about 45% of cases, while WHO recommends at least 150 minutes weekly.
  • The cohort tracked 479,723 participants, average age 56.5, with median follow-up 13.1 years and found hazard ratios of 0.81 for dementia and 0.78 for Alzheimer’s versus nonactive travel.
  • Choosing cycling for errands instead of driving or taking the train may help prevent cognitive decline, and city planners and policymakers could design bikeable short local trips to boost brain health and reduce costs.
  • Because the study is observational it cannot prove cycling prevents dementia, and associations were stronger in people without APOE ε4 while walking’s higher Alzheimer’s risk needs more study.
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16 Articles

CNNCNN
+9 Reposted by 9 other sources
Lean Left

Cycling linked with lower dementia risk, study finds

Cycling instead of driving has been linked with a lower risk of dementia and Alzheimer’s disease, a large study has found.

·Atlanta, United States
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A large-scale study of hundreds of thousands of participants in the UK found a link between cycling and a reduced risk of developing cardiovascular disease, dementia and Alzheimer's. There is growing evidence that aerobic activity is important for protecting the brain and heart.

·Israel
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CNN broke the news in Atlanta, United States on Saturday, September 20, 2025.
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