0
0
A new large-scale study has revealed that regular cycling—especially as a mode of transport—may significantly reduce the risk of dementia and promote healthier brain aging. The research, published in JAMA Network Open and highlighted by Medical Xpress, analyzed data from nearly 480,000 participants in the UK Biobank over an average of 13 years.
Participants who cycled regularly for transportation were found to have a 19% lower risk of developing dementia and a 22% lower risk of Alzheimer’s disease compared to those who mainly drove, walked, or used public transport. Notably, the risk of young-onset dementia—which affects people under age 65—dropped by 40% among regular cyclists.
MRI scans from the study also showed that cyclists and those who mixed cycling with other forms of travel had larger hippocampal volumes. The hippocampus is a brain region crucial for memory and learning, and it often shrinks with age and dementia. “Cycling is a moderate- to high-intensity workout, and also requires balance,” explained Dr. Liron Sinvani, director of geriatric services at Northwell Health. “It requires more complex brain function than walking, which is why maybe it was a better reducer of dementia risk”.
The protective effects of cycling were most pronounced in individuals without the APOE ε4 gene variant, a known genetic risk factor for Alzheimer’s. However, even those with the gene still benefited from cycling, though to a lesser extent. The study’s authors emphasized that promoting active travel strategies, particularly cycling, could have substantial public health benefits by encouraging accessible, sustainable practices for cognitive health preservation.
Dr. Ding Ding, a co-author of the study and global expert in public health, noted, “These results suggest that choosing your bike over a car could be a powerful and simple way to help prevent dementia later in life.” The findings also suggest that even combining cycling with other modes of transport provides noticeable benefits.
Key Takeaways
-
Cycling for transport is linked to a 19% lower risk of dementia and 22% lower risk of Alzheimer’s.
-
Young-onset dementia risk dropped by 40% among regular cyclists.
-
Cyclists had larger hippocampal volumes, supporting better memory and learning.
-
Benefits were greatest in those without genetic risk, but all groups saw some improvement.
-
Even mixing cycling with other forms of transport offers protection.
Conclusion
The study adds to growing evidence that physical activity—especially cycling—can play a vital role in maintaining cognitive health as we age. Encouraging cycling as part of daily life may not only boost physical fitness but also help protect the brain from dementia and Alzheimer’s disease.
Disclaimer:
This article is based on recent scientific research and is intended for informational purposes only. The findings represent associations observed in large population studies and do not prove causation. Individual results may vary, and lifestyle changes should be made in consultation with a healthcare professional. The content does not constitute medical advice.
