Tight Rein On Diabetes

A study shows that strict control of blood sugar can keep patients healthier

When coping day after day with a chronic disease, patients generally want the treatment to be as simple as possible. But in the case of diabetes, simplicity is not the best policy. On Sunday the National Institutes of Health announced the results of a 10-year, $165 million study that proved that the most effective treatment for severe diabetes is a complex, time-consuming regimen to control blood-sugar levels tightly. Patients who make that extra effort will lower their risk of suffering blindness, kidney failure or many other complications of diabetes.

Diabetics are unable to produce enough insulin, a natural hormone that enables...

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