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Type 1 Diabetes Triples Dementia Risk, Major Study Finds

3/19/2026

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Summary

Story summary

A Neurology study finds that type 1 diabetes nearly triples the risk of dementia compared with people without diabetes.
The study tracked 283,772 participants, including 5,442 with type 1 diabetes.
It also found that type 2 diabetes doubles the dementia risk.
About 65% of dementia cases among type 1 diabetics could be attributed to the condition.

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Story summary

A Neurology study finds that type 1 diabetes nearly triples the risk of dementia compared with people without diabetes.
The study tracked 283,772 participants, including 5,442 with type 1 diabetes.
It also found that type 2 diabetes doubles the dementia risk.
About 65% of dementia cases among type 1 diabetics could be attributed to the condition.