Tags: FDA

A group of tobacco companies sued the U.S. Food and Drug Administration on Tuesday over recent guidance they say violates their free-speech rights by mandating pre-approval of labeling changes.

More than two years after U.S. health regulators discovered an amphetamine-like stimulant in dietary supplements containing Acacia rigidula, products containing the substance remain on the market, a study has found.

Dr. Margaret Hamburg, commissioner of the U.S. Food and Drug Administration (FDA), who for almost six years has overseen public health initiatives ranging from tobacco control and food safety to personalized medicine, disease control and drug approvals, is stepping down, according to a person briefed on the matter.