Federal researchers who tried to reduce heart attacks among diabetics by driving their blood sugar to low levels found that more patients were dying instead. The finding, announced yesterday, prompted officials to halt part of a major study of diabetes and heart disease.
Researchers said they don't know what caused the spike in deaths but said it can't be blamed on Avandia - a diabetes medication linked last year to an increased risk of heart attacks - even though some volunteers were taking the drug. More...
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