Like a seesaw poised in midair, insulin and blood sugar normally balance each other out. But in type Ⅱ diabetes, that equilibrium goes awry: People have ineffective insulin and too much glucose, a condition that damages blood vessels and other tissue. Drugs control the disease by enhancing insulin activity, but they don't work for everyone. Now a novel strategy has drastically reduced blood sugar levels in rodents, sparking hope that it could become a powerful tool for controlling diabetes.
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