A study published in the March 19, 2024, online issue of Neurology® found that people with type 1 diabetes have a significantly higher risk of developing dementia later in life compared to people without diabetes. The research, which analyzed data from over 3,800 people with type 1 diabetes and a matched control group, showed that the risk was particularly elevated for vascular dementia and Alzheimer's disease.
The study's lead author, Dr. Rachel A. Whitmer of the Kaiser Permanente Division of Research, stated, "Our results highlight the importance of careful management of cardiovascular disease risk factors for people with type 1 diabetes." The research suggests that the increased risk may be linked to the long-term effects of high blood sugar on the brain's blood vessels and tissues.
While the study confirms a known association between type 2 diabetes and dementia, it provides new, large-scale evidence specifically for type 1 diabetes. The findings underscore the need for lifelong monitoring and preventive healthcare strategies for individuals with type 1 diabetes to mitigate cognitive decline risks as they age.