India, March 20 -- Having Type 1 Diabetes may be linked to a significantly higher risk of developing Dementia, according to a study published on March 18, 2026, in Neurology.

While Type 2 Diabetes has long been associated with an elevated dementia risk, the new findings suggest that the link could be even stronger for people with Type 1 diabetes. However, researchers caution that the study establishes an association, not causation.

The study analysed data from 283,772 individuals with an average age of 64. Among them, 5,442 had Type 1 diabetes and 51,511 had Type 2 diabetes. Participants were followed for an average of 2.4 years.

During this period, 2,348 people developed dementia:

144 individuals with Type 1 diabetes (2.6%)

942 indi...