The dye was banned in cosmetics after a study suggested it might be a carcinogen. Yet federal regulations still permit its use in foods, stoking concerns that helped build support for the new state law.
Some vapes are appearing with increasing nicotine levels that approach those in a carton of cigarettes. U.S. regulators did not authorize them, but have failed to keep them off shelves.
Genetic testing that reveals potential cancer risks or other maladies with no regulatory oversight is among the targets of the agency’s proposed review.
An unapproved product made from umbilical cord blood was used at a prominent New York hospital. After an F.D.A. warning came an internal complaint: Patients should have been told.