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Review: Insulin Resistance May Link Metabolic And Cognitive Disorders

Review: Insulin Resistance May Link Metabolic And Cognitive Disorders

Insulin resistance, when tissues in the body lose sensitivity to the hormone that regulates glucose, may underlie both dementia and metabolic disorders such as obesity and diabetes. In a review article, Suzanne Craft, Ph.D., of Veterans Administration Puget Sound Health Care System and University of Washington School of Medicine, Seattle, writes that "considerable progress has been made in establishing relationships among metabolic disorders and late-life dementing illnesses," including through the common foundation of insulin resistance.

"A number of challenges must be addressed as we move forward to determine the key mechanisms underlying these associations," Dr. Craft concludes, including establishing clear definitions of both metabolic and neurological conditions. "Future research aimed at identifying mechanisms that underlie comorbid associations will not only provide important insights into the causes and interdependencies of late-life dementias, but will also inspire novel strategies for treating and preventing these disorders."

Arch Neurol. 2009;66[3]:300-305.
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