Health & Fitness: U.S. FDA asks five firms to recall diabetes drug with high levels of probable carcinogen

U.S. FDA asks five firms to recall diabetes drug with high levels of probable carcinogen

The U.S. Food and Drug Administration (FDA) said on Thursday it has recommended five pharmaceutical firms to voluntarily recall their diabetes drug metformin after the agency found high levels of a possible cancer-causing impurity in some versions of the medication.