RFK Jr. promised to define ‘ultraprocessed’ food. What's taking so long?

A definition would help Americans eat healthier food, experts say. It's turned out to be harder than expected

美國政府承諾為“超加工食品”給出正式定義，但兩個多月過去仍無進展。專家指出，定義難產既源於分類標准本身存在邊界模糊，也源於食品行業的強烈游說反對。