Just how low should blood sugar go?

By Julie Steenhuysen

CHICAGO (Reuters) - Conventional thinking among doctors who treat people with type 2 diabetes has been the lower the blood sugar levels, the better.

Many doctors are now taking a second look.

A massive study of diabetics with a high risk of heart disease known as ACCORD has found that lowering blood sugar levels to what is considered normal for healthy people proved deadly for some, researchers said on Wednesday.

Older patients who underwent intensive therapy to reach that level had higher rates of death than a group of patients in the same study who were treated more conservatively.

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