Also found in: Dictionary, Thesaurus, Acronyms, Idioms, Encyclopedia, Wikipedia.
A high-calorie food that is low in nutritional value.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
junk foodNutrition A popular term for any food low in essential nutrients and high in salt–eg, potato chips/crisps, pretzels, refined carbohydrates–eg, candy, soft drinks, or saturated fats–eg, cake, chocolates. See Cafeteria diet, Cafeteria model, 'Couch potato. ', 'Fast' food. Cf Fruits and vegetables.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
junk food(jŭngk fūd)
A colloquial term for palatable but unwholesome food that is high in fat, salt, or sugar but deficient in protein, fiber, and vitamins.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
junk foodA popular term for highly refined and processed, readily assimilable and palatable food with a low level of roughage. Junk food has a high calorific value but is often low in vitamins and minerals and usually has a high content of saturated fats. Junk food encourages excessive intake and commonly leads to obesity. The full extent of the dangers of an largely junk food diet has not been established but few experts deny that the dangers exist.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005