Yellow Nos. 5 and 6 have also been found to be contaminated with benzidine or other carcinogens and to cause hyperactivity. “Red 3 is the food dye with the clearest evidence of cancer ...
Nine dyes, including Red 3, have been allowed in U.S. food. The other common color ... to behavioral problems in some children, including hyperactivity and impulsivity, particularly for those ...