Diabetes Strongly Linked to 60% Higher Dementia Risk

Diabetes Strongly Linked to 60% Higher Dementia Risk
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New research has established a strong connection between diabetes and dementia, showing that individuals with diabetes face approximately a 60% greater risk of developing cognitive decline.

The link is driven by shared biological pathways, including insulin resistance in the brain—sometimes called “Type 3 diabetes”—and damage to brain blood vessels caused by high blood sugar. Both factors lead to inflammation and reduced glucose utilization, impairing cognitive function.

Intriguingly, certain diabetes medications appear to offer neuroprotection. Studies suggest that Metformin, GLP-1 receptor agonists (like semaglutide), and SGLT2 inhibitors may all reduce dementia risk. The findings, published in SciTechDaily, emphasize that aggressive diabetes management is vital for preserving long-term brain health.