The Center for Science in the Public Interest questioned FDA’s decision to approve a color additive in the plant-based Impossible Burger, saying the agency ignored its own guidance on toxicity testing for additives used in food, as well as research by the World Health Organization (WHO) showing that a compound found in the additive could contribute to an increase in cancer risk. The additive, soy leghemoglobin, was declared safe for use in a rule FDA published on Aug. 1 and...