News Related to Metformin

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Study Reveals Metformin's Brain Mechanism for Blood Sugar Control

Mar 26, 2026

New research reveals metformin regulates blood sugar through brain pathways involving the Rap1 protein in the hypothalamus. The study shows suppressing Rap1 in the brain prevents metformin from lowering blood sugar in diabetic mice. These findings could lead to new diabetes treatments targeting this brain pathway.