(CBS NEWS) The U.S. Food and Drug Administration says it is investigating to see if a prescription drug used to treat diabetes is contaminated with traces of a chemical linked to cancer.
The impacted drug is metformin, which is used to control high blood sugar in patients with Type 2 diabetes.
Some metformin medicines in other countries have been found to contain the carcinogen N-Nitrosodimethylamine (NDMA), but those levels were in the “naturally occurring in food and water” range.
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