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A new study reveals a simple blood test can predict the rapid progression of Alzheimer's disease. Researchers at the University of Brescia used the triglyceride-glucose (TyG) index to assess insulin resistance in 315 patients with cognitive deficits. Those with high TyG scores experienced a four-times faster decline over three years. High TyG was linked to blood-brain barrier disruption and cardiovascular risk factors, suggesting insulin resistance accelerates Alzheimer's progression. This finding could help identify patients for clinical trials and support services.

Prepared by Olivia Bennett and reviewed by editorial team.