People with Type 1 Diabetes Face Higher Risk of Developing Dementia

People with type 1 diabetes face higher risk of developing dementia

Having type 1 diabetes is associated with a higher risk of developing dementia, according to a study published March 18, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

Type 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.

Both Type 1 and Type 2 Diabetes Linked to Increased Dementia Risk

People with type 1 diabetes have a three-times-greater risk for dementia than those without diabetes; people with type 2 diabetes have double the risk, shows data from the National Institutes of Health’s All of Us Research Program. “As advances in medical care have extended the lives of people with type 1 diabetes, it’s becoming increasingly important to understand the relation of type 1 diabetes to the risk of dementia,” said study author Jenni…