The agency said it was taking the action as a “matter of law” because some studies have found that the dye caused cancer in lab rats ... foods must meet the new U.S. requirement.

following evidence that the dye causes cancer in laboratory rats. The ban on Wednesday by the Food and Drug Administration on the Red No. 3 dye in food items comes more than three decades after it ...

Sixteen female rats are heading out into the real world ... conditioning for a certain behavior. Looking for new homes outside the lab, the department turned to the community to adopt them.