Study: Elevated blood sugar puts half of U.S. adults at risk

Aired: 9/15/2014 | 0:05:38 | Clip
One out of three Americans over 20 is pre-diabetic and another 29 million already have diabetes. According to a recent report, the risk for some cancers is 15 percent higher for someone with higher-than-normal blood sugar. Gwen Ifill speaks with Dr. David Nathan, director of the Diabetes Center at Massachusetts General Hospital, about how to prevent high blood sugar levels.

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