A new large study suggests that a group of diabetes medications called GLP-1 receptor agonists may be more effective than metformin at protecting the brain and lowering the risk of dementia in people with type 2 diabetes.
This important research was published in *BMJ Open Diabetes Research & Care*.
Both GLP-1 receptor agonists and metformin are commonly used to manage type 2 diabetes. However, the findings from this study indicate that GLP-1 drugs might offer additional benefits beyond blood sugar control, including better cognitive protection.
These results could have significant implications for the treatment of type 2 diabetes, especially in patients at risk for dementia.
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https://knowridge.com/2025/10/new-diabetes-drugs-may-better-prevent-dementia-than-metformin/