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A food craving is an intense desire to consume a specific food, as opposed to general hunger.
Food cravings are especially common in people following structured diet plans, and can be difficult to overcome . One theory is that when a person's body is deficient in a particular vitamin, mineral or other nutrient, they will crave foods which contain it - for example, a person who was deficient in Vitamin A might crave liver .
Food cravings are also commonly seen in pregnant women.
The craving of non-food items is called pica.