Insulin resistance may increase stroke risk

Insulin resistance, one of the earliest signs of type 2 diabetes, may increase the risk of stroke later in life, according to a new study from researchers at the University of Miami.

The connection between the condition and cardiovascular disease has been well documented. However, there has been much debate over whether insulin resistance increases the risk of stroke, which occurs when blood flow to the brain is blocked due to a clot in arteries.

A total of 1,509 patients who had been diagnosed as insulin resistant were followed for a period of 8.5 years. Researchers found that participants who were in the top quartile for severity of insulin resistance were up to 45 percent more likely to experience a stroke during the study period.

"These findings emphasize the need to better characterize individuals at increased risk for ischemic stroke and the potential role of primary preventive therapies targeted at insulin resistance," the authors wrote in their report, which was published in the Archives of Neurology.

They added that limiting insulin resistance in patients may significantly reduce their chances of experiencing a stroke.
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