An estimated one-third of US adults aged 20 years or older have prediabetes, but only about 11% are aware of their condition, according to data collected during 2009-2010 as part of the National Health and Nutrition Examination Survey.
People with prediabetes—a condition in which blood glucose or hemoglobin A1c levels are higher than normal but not high enough to be classified as diabetes—are at high risk for developing type 2 diabetes. The prevalence of the illness is increasing in the United States.
Few Adults With Prediabetes Know About Their Condition. JAMA. 2013;309(17):1767. doi:10.1001/jama.2013.4448
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