US EditionPeople with Type 1 Diabetes Face Higher Risk of Developing Dementia
A U.S. study of 283,772 adults found type 1 diabetes triples dementia risk while type 2 diabetes doubles it, highlighting the need for targeted prevention strategies.
- Analysis of the All of Us cohort found that people with type 1 diabetes have nearly three times the risk of dementia compared with no diabetes, as reported in Neurology on March 18, 2026.
- As life expectancy for people with type 1 diabetes has improved, researchers at Boston University School of Public Health studied dementia risk linked to autoimmune beta-cell loss and hypoglycemia.
- During an average 2.4-year follow-up, 2,348 people developed dementia, including 144 with type 1 diabetes among 283,772 participants aged 50 and older from the All of Us Research Program.
- Clinicians may consider more regular cognitive screening for older people with type 1 diabetes, while prevention strategies include blood sugar control, physical activity, and advances in diabetes treatments and stem cell research.
- Although the study found strong associations, the authors warned it does not establish causation, citing limitations like surveillance bias, reliance on electronic health records and survey data, a short follow-up, and the non‑representative nature of the All of Us cohort, urging future research on co‑occurring conditions and modifiable risk factors.
11 Articles
11 Articles
Type 1 Diabetes Linked to Threefold Increase in Dementia Risk
(MedPage Today) -- Older adults with type 1 or type 2 diabetes had a higher risk of dementia, a U.S. prospective cohort study found. Compared with people without diabetes, older adults with type 1 diabetes had a nearly threefold higher risk for...
Type 1 diabetes linked to higher dementia risk – new study
Pressmaster/Shutterstock.comAs increasing numbers of people with type 1 diabetes live into old age, a large new study has found they face almost three times the risk of developing dementia compared to people without the condition – raising urgent questions about how the disease affects the brain over time. To put this in context, of the 283,772 people in the study, 5,442 had type 1 diabetes. Of those, 144 people went on to get dementia. That is …
Diabetes may greatly raise dementia risk, large U.S. study suggests
Previous research has suggested a potential link between type 2 diabetes and dementia risk. However, a new study suggests that the risk of dementia may be even higher for those living with type 1 diabetes.
Medical Xpress
NewswiseType 1 diabetes associated with higher risk of dementia
Having type 1 diabetes is associated with a higher risk of developing dementia, according to a study published March 18, 2026, in Neurology. Type 2 diabetes is also associated with a higher risk of dementia compared with not having diabetes. This study shows an association and does not prove that diabetes causes dementia. Type 1 diabetes is rare, accounting for about 5% of diabetes cases.
Type 1 Diabetes Linked to Significantly Higher Dementia Risk
While diabetes has long been linked to dementia , new research suggests that people with type 1 may face a significantly higher risk of eventual cognitive decline .e60dc2a1-f33c-4a05-9b50-8e3e8e597629a7137eb5-3c85-4969-b6d0-8ae06f9dc69f According to a study published in Neurology , people with type 1 diabetes were almost 3 times as likely to develop dementia than people without diabetes.e60dc2a1-f33c-4a05-9b50-8e3e8e59762901737409-1cbc-48ee-8607…
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