In people with type 2 diabetes, either the body doesn't produce enough of the hormone insulin or cells can't use the insulin properly. Insulin is necessary for the body to use glucose -- blood sugar -- for energy. When glucose builds up in the blood instead of going into cells, it can lead to diabetes complications, according to the American Diabetes Association.
The prevalence of type 2 diabetes found in this new poll is higher than that reported by the U.S. Centers for Disease Control and Prevention, although the CDC data is more rigorous, Ratner said.
The poll was conducted online within the United States by Harris Interactive from Feb. 4 through 6, among 2,090 adults aged 18 and older. The survey was not based on a probability sample, so no estimate of theoretical sampling error can be calculated.
Calculate your risk for diabetes at the American Diabetes Association.
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