The origin: In a 1986 study, Japanese researchers discovered cancer developing in rats that were fed "heterocyclic amines, " compounds that are generated from overcooking meat under high heat.

缘起：1986年，日本科学家在研究中发现，老鼠在食用了一种叫“杂环胺”的化合物之后发生了癌变。这种化合物来自高温下长时间烹煮的肉类食物。