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英文WIKI上是写Junk food。Junk food is an informal term applied to some foods which are perceived to have little or no nutritional value, or to products with nutritional value but which also have ingredients considered unhealthy when regularly eaten, or to those considered unhealthy to consume at all. The term was coined by Michael Jacobson, director of the Center for Science in the Public Interest, in 1972.[1]Foods more likely to be considered junk food generally are those that are more convenient and easy to obtain in a ready-to-eat form, though being such does not automatically define the food as "junk food."
