New York: People who consume one or more cans of cold drinks per day are exposing themselves to a potential carcinogen, warns a new study. The ingredient, 4-methylimidazole (4-MEI) – a possible human carcinogen – is formed during the manufacture of some kinds of caramel colour. Caramel colour is a common ingredient in colas and other dark soft drinks. “Soft drink consumers are being exposed to an avoidable and unnecessary […]