New studies are prompting doctors to re-examine a fundamental treatment question: what level of blood sugar is best? The debate has focused on the level at which people with type 2 diabetes should try to maintain their blood sugar. Randomized trials haven't completely answered the question, reports the January 2011 issue of Harvard Men's Health Watch,
but they offer some direction. Here's what some recent major studies found:
Harvard Men's Health Watch notes that these trials and other research have modified some assumptions about the treatment of diabetes. Still, some principles seem clear:
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