According to a new report, confusion over labeling may have led bakers in Missouri and Rhode Island in 2018-19 to use non-edible luster dust to add sparkle to their cake decorations, which contained potentially harmful levels of copper, lead, and other metals. Emergency physician Dr. Robert Glatter writes, “From a public health standpoint, clear and concise labeling indicating that nonedible products are not safe for human consumption is necessary to prevent illness and unintentional metal-based poisonings.” Morbidity and Mortality Weekly Report, October 2021